const ITEM_COUNT = 100
let visibleItems = []
for (let i = 0; i < ITEM_COUNT; ++i) {
  visibleItems.push(false)
}

function showItem(index) {
  visibleItems = []
  for (let i = 0; i < ITEM_COUNT; ++i) {
    visibleItems.push(false)
  }
  visibleItems[index] = true
}

It was more or less like this. The guy had a collection of React components and wanted to show only one of them at a time. Instead of storing the index of the component to show at the moment, he decided that a boolean array would work much better. O(n) in runtime and space and null readability just because.

By Anonymous, 2019-12-07 11:59:58
// Method put on each input component to unregister
  // itself from the form
  detachFromForm: function detachFromForm(component) {
    var componentPos = this.inputs.indexOf(component);

    if (componentPos !== -1) {
      this.inputs = this.inputs.slice(0, componentPos).concat(this.inputs.slice(componentPos + 1));
    }

    this.validateForm();
  },

oh boy

By Anonymous, 2017-12-21 10:48:00
let True = true
let False = false

使用Python的 True 和 False 在javascript

By AD, 2023-01-31 10:16:17
function uploadimg(file) {
    var ext = file.value.split('.').pop().toLowerCase();
    var size = document.getElementById("uploadpic").files.item(0).size;

    if (size > 3145728) {
        $.messager.alert({
            title: "Error",
            msg: " image to large",
            icon: "error"
        });
        return true;
    }

    return false;
}

var reader = new FileReader();
$("#uploadpic").change(function() {
    var pdfcheck = this;
    var ext = pdfcheck.value.split('.').pop().toLowerCase();
    if (!($.inArray(ext, ['pdf']) == -1)) {
        console.log('upload pdf start');
        if (uploadPdf(pdfcheck)) {
            $("#preview_img").attr("src", "");
            $("#preview_img2").attr("src", "");
            $("#uploadpic").prop("file", "");
            $("#uploadpic").val("");
        }
    } else {
        if (uploadimg(pdfcheck)) {//dude, I think the image you upload to check is your dick, only small enough you would rather keep going producing shitcode.
            return false;
        }
        var upload_file = $("#uploadpic")[0].files[0];
        if (upload_file != null) {
            var chimgarr = ["image/png", "image/PNG", "image/jpg", "image/JPG", "image/jpeg", "image/JPEG", "image/gif", "image/GIF", "image/bmp", "image/BMP"];
            if (chimgarr.indexOf(upload_file.type) != "-1") {
                reader.readAsDataURL(upload_file);
                reader.onload = function(e) {
                    $("#preview_img").attr("src", e.target.result);
                    $("#preview_img2").attr("src", e.target.result);
                    $("#pdf-contents").hide();
                    $("#pdf_name").val("");
                    $("#btn_pdf_view").hide();
                    $("#pic_name").val("");
                }
            } else {
                $.messager.alert("Image format does not match");
                $("#preview_img").attr("src", "");
                $("#preview_img2").attr("src", "");
                $("#uploadpic").prop("file", "");
                $("#uploadpic").val("");
            }
        } else {
            $("#preview_img").attr("src", "");
            $("#preview_img2").attr("src", "");
        }
    }
});

The moment an important image ready to be uploaded It's really important that should be checked again and again.

By shitcode master's friend, 2018-04-20 11:03:15
  $(".alarmBell").on("click", () => {

    let icon = $(".alarm-bell__icon")
    icon.attr('data', icon.attr('data') == 'images/icon/alarm-bell.svg' ? 'images/icon/alarm-bell-filled-new.svg' : 'images/icon/alarm-bell.svg');

    // $(".alarm-bell__icon").attr('data', function (index, data) {
    //   if (data == 'images/icon/alarm-bell-filled-new.svg') {
    //     return 'images/icon/alarm-bell.svg';
    //   } else if (data == 'images/icon/alarm-bell.svg') {
    //     return 'images/icon/alarm-bell-filled-new.svg';
    //   } else {
    //     return 'images/icon/alarm-bell.svg';
    //   }
    // });

  });

...after yet another icons change request

By Desperate Dev..., 2020-01-21 17:28:18
    self.isOptionsVisible = ko.computed(function() {
        if((self.type() == 'select') || (self.type() == 'multiselect') || (self.type() == 'radio') || (self.type() == 'checkbox') || (self.type() == 'upload')) {
            return true;
        }

        return false;
    }, this);

    self.isNameVisible = ko.computed(function() {
        if((self.type() == 'text') || (self.type() == 'textarea') || (self.type() == 'select') || (self.type() == 'multiselect') || (self.type() == 'radio') || (self.type() == 'checkbox') || (self.type() == 'upload')) {
            return true;
        }

        return false;
    }, this);

    self.isBeforeAfterImagesVisible = ko.computed(function() {
        if((self.type() == 'text') || (self.type() == 'textarea') || (self.type() == 'select') || (self.type() == 'multiselect') || (self.type() == 'radio') || (self.type() == 'checkbox') || (self.type() == 'upload')) {
            return true;
        }

        return false;
    }, this);

    self.isTooltipVisible = ko.computed(function() {
        if((self.type() == 'text') || (self.type() == 'textarea') || (self.type() == 'select') || (self.type() == 'multiselect') || (self.type() == 'radio') || (self.type() == 'checkbox') || (self.type() == 'upload')) {
            return true;
        }

        return false;
    }, this);

    self.isLabelVisible = ko.computed(function() {
        if((self.type() == 'text') || (self.type() == 'textarea') || (self.type() == 'select') || (self.type() == 'multiselect') || (self.type() == 'radio') || (self.type() == 'checkbox') || (self.type() == 'upload') || (self.type() == 'info')) {
            return true;
        }

        return false;
    }, this);

    self.isClassVisible = ko.computed(function() {
        if((self.type() == 'text') || (self.type() == 'textarea') || (self.type() == 'select') || (self.type() == 'multiselect') || (self.type() == 'radio') || (self.type() == 'checkbox') || (self.type() == 'upload')) {
            return true;
        }

        return false;
    }, this);

    self.isStyleVisible = ko.computed(function() {
        if((self.type() == 'text') || (self.type() == 'textarea') || (self.type() == 'select') || (self.type() == 'multiselect') || (self.type() == 'radio') || (self.type() == 'checkbox') || (self.type() == 'upload')) {
            return true;
        }

        return false;
    }, this);

object orientation overrated. let's check the fields in several places ...

By Dude, 2020-12-16 12:25:17
var None = null;

if ({{ post.pk }} == None) {
    // reset to draft
    $("#id_status")[0].value = 1;
}
By Anonymous, 2016-11-18 19:08:07
const handleBoolean = value => {
        switch (value) {
            case "true":
                return true;
            case true:
                return "true";
            case "false":
                return false;
            case false:
                return "false"
            default:
                return null;
        }
    }
By Anonymous, 2021-09-29 11:53:22
if(
  (!_.isEmpty($(switcher).val()) && value_isnt == ":empty") ||
  ((value_isnt) && !$(switcher).is(value_isnt) && value_isnt != ':empty') ||
  (value_is && $(switcher).is(value_is) && value_is != ':empty') ||
  (value_is == ':empty' && _.isEmpty($(switcher).val())) ||
  (value && _switcherValue == value) ||
  (valueIn && .anyMatchInArray(valueIn.split(','), .flatten([_switcherValue]))) ||
  (valueOut && !.anyMatchInArray(valueOut.split(','), .flatten([_switcherValue])))
)
By Alex, 2017-06-08 15:58:10
function downScaleCanvas(a, b) {
    var c = Math.ceil,
        d = Math.floor;
    if (!(1 > b) || !(0 < b)) throw "scale must be a positive number <1 ";
    var e = b * b,
        f = a.width,
        g = a.height,
        h = d(f * b),
        i = d(g * b),
        j = 0,
        k = 0,
        l = 0,
        m = 0,
        n = 0,
        o = 0,
        p = 0,
        q = 0,
        r = 0,
        s = 0,
        t = 0,
        u = 0,
        v = 0,
        x = 0,
        y = 0,
        z = !1,
        A = !1,
        B = a.getContext("2d").getImageData(0, 0, f, g).data,
        C = new Float32Array(3 * h * i),
        D = 0,
        E = 0,
        F = 0;
    for (k = 0; k < g; k++)
        for (n = k * b, r = 0 | n, o = 3 * r * h, A = r != (0 | n + b), A && (x = r + 1 - n, y = n + b - r - 1), j = 0; j < f; j++, l += 4) m = j * b, q = 0 | m, p = o + 3 * q, z = q != (0 | m + b), z && (u = q + 1 - m, v = m + b - q - 1), D = B[l], E = B[l + 1], F = B[l + 2], z || A ? z && !A ? (s = u * b, C[p] += D * s, C[p + 1] += E * s, C[p + 2] += F * s, t = v * b, C[p + 3] += D * t, C[p + 4] += E * t, C[p + 5] += F * t) : A && !z ? (s = x * b, C[p] += D * s, C[p + 1] += E * s, C[p + 2] += F * s, t = y * b, C[p + 3 * h] += D * t, C[p + 3 * h + 1] += E * t, C[p + 3 * h + 2] += F * t) : (s = u * x, C[p] += D * s, C[p + 1] += E * s, C[p + 2] += F * s, t = v * x, C[p + 3] += D * t, C[p + 4] += E * t, C[p + 5] += F * t, t = u * y, C[p + 3 * h] += D * t, C[p + 3 * h + 1] += E * t, C[p + 3 * h + 2] += F * t, t = v * y, C[p + 3 * h + 3] += D * t, C[p + 3 * h + 4] += E * t, C[p + 3 * h + 5] += F * t) : (C[p] += D * e, C[p + 1] += E * e, C[p + 2] += F * e);
    var G = document.createElement("canvas");
    G.width = h, G.height = i;
    var H = G.getContext("2d"),
        I = H.getImageData(0, 0, h, i),
        J = I.data,
        K = 0;
    for (l = 0, p = 0; K < h * i; l += 3, p += 4, K++) J[p] = c(C[l]), J[p + 1] = c(C[l + 1]), J[p + 2] = c(C[l + 2]), J[p + 3] = 255;
    return H.putImageData(I, 0, 0), G
}

dohhhhhh !!

By fotogena.co sonickseven, 2019-10-13 00:10:25
if(year%100 === 79 ||
year%100 === 90 ||
year%100 === 1 ||
year%100 === 7 ||
year%100 === 18) {
	if(month === 1) { while(day%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 2) { while((day + 3)%7 ===0) {day=Math.ceil(Math.random() * 28);}}
	if(month === 3) { while((day + 3)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 4) { while((day - 1)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 5) { while((day + 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 6) { while((day + 4)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 7) { while((day - 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 8) { while((day + 2)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 9) { while((day + 5)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 10) { while(day%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 11) { while((day + 3)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 12) { while((day + 5)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
}
if(year2%100 === 79 ||
year2%100 === 90 ||
year2%100 === 1 ||
year2%100 === 7 ||
year2%100 === 18) {
	if(month2 === 1) { while(day2%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 2) { while((day2 + 3)%7 ===0) {day2=Math.ceil(Math.random() * 28);}}
	if(month2 === 3) { while((day2 + 3)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 4) { while((day2 - 1)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 5) { while((day2 + 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 6) { while((day2 + 4)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 7) { while((day2 - 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 8) { while((day2 + 2)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 9) { while((day2 + 5)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 10) { while(day2%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 11) { while((day2 + 3)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 12) { while((day2 + 5)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
}
if(year3%100 === 79 ||
year3%100 === 90 ||
year3%100 === 1 ||
year3%100 === 7 ||
year3%100 === 18) {
	if(month3 === 1) { while(day3%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 2) { while((day3 + 3)%7 ===0) {day3=Math.ceil(Math.random() * 28);}}
	if(month3 === 3) { while((day3 + 3)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 4) { while((day3 - 1)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 5) { while((day3 + 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 6) { while((day3 + 4)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 7) { while((day3 - 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 8) { while((day3 + 2)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 9) { while((day3 + 5)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 10) { while(day3%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 11) { while((day3 + 3)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 12) { while((day3 + 5)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
}
if(year%100 === 96) {
	if(month === 1) { while(day%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 2) { while((day + 3)%7 ===0) {day=Math.ceil(Math.random() * 29);}}
	if(month === 3) { while((day + 2)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 4) { while((day - 2)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 5) { while((day + 2)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 6) { while((day + 3)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 7) { while((day - 2)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 8) { while((day + 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 9) { while((day + 4)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 10) { while((day - 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 11) { while((day + 2)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 12) { while((day + 4)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
}
if(year2%100 === 96) {
	if(month2 === 1) { while(day2%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 2) { while((day2 + 3)%7 ===0) {day2=Math.ceil(Math.random() * 29);}}
	if(month2 === 3) { while((day2 + 2)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 4) { while((day2 - 2)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 5) { while((day2 + 2)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 6) { while((day2 + 3)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 7) { while((day2 - 2)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 8) { while((day2 + 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 9) { while((day2 + 4)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 10) { while((day2 - 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 11) { while((day2 + 2)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 12) { while((day2 + 4)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
}
if(year3%100 === 96) {
	if(month3 === 1) { while(day3%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 2) { while((day3 + 3)%7 ===0) {day3=Math.ceil(Math.random() * 29);}}
	if(month3 === 3) { while((day3 + 2)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 4) { while((day3 - 2)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 5) { while((day3 + 2)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 6) { while((day3 + 3)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 7) { while((day3 - 2)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 8) { while((day3 + 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 9) { while((day3 + 4)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 10) { while((day3 - 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 11) { while((day3 + 2)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 12) { while((day3 + 4)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
}
if(year%100 === 85 ||
year%100 === 91 ||
year%100 === 2 ||
year%100 === 13 ||
year%100 === 19) {
	if(month === 1) { while((day - 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 2) { while((day + 2)%7 ===0) {day=Math.ceil(Math.random() * 28);}}
	if(month === 3) { while((day + 2)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 4) { while((day - 2)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 5) { while(day%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 6) { while((day + 3)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 7) { while((day - 2)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 8) { while((day + 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 9) { while((day + 4)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 10) { while((day - 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 11) { while((day + 2)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 12) { while((day + 4)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
}
if(year2%100 === 85 ||
year2%100 === 91 ||
year2%100 === 2 ||
year2%100 === 13 ||
year2%100 === 19) {
	if(month2 === 1) { while((day2 - 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 2) { while((day2 + 2)%7 ===0) {day2=Math.ceil(Math.random() * 28);}}
	if(month2 === 3) { while((day2 + 2)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 4) { while((day2 - 2)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 5) { while(day2%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 6) { while((day2 + 3)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 7) { while((day2 - 2)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 8) { while((day2 + 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 9) { while((day2 + 4)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 10) { while((day2 - 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 11) { while((day2 + 2)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 12) { while((day2 + 4)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
}
if(year3%100 === 85 ||
year3%100 === 91 ||
year3%100 === 2 ||
year3%100 === 13 ||
year3%100 === 19) {
	if(month3 === 1) { while((day3 - 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 2) { while((day3 + 2)%7 ===0) {day3=Math.ceil(Math.random() * 28);}}
	if(month3 === 3) { while((day3 + 2)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 4) { while((day3 - 2)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 5) { while(day3%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 6) { while((day3 + 3)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 7) { while((day3 - 2)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 8) { while((day3 + 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 9) { while((day3 + 4)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 10) { while((day3 - 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 11) { while((day3 + 2)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 12) { while((day3 + 4)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
}
if(year%100 === 80 ||
year%100 === 8) {
	if(month === 1) { while((day - 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 2) { while((day + 2)%7 ===0) {day=Math.ceil(Math.random() * 29);}}
	if(month === 3) { while((day + 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 4) { while((day - 3)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 5) { while((day - 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 6) { while((day + 2)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 7) { while((day - 3)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 8) { while(day%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 9) { while((day + 3)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 10) { while((day - 2)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 11) { while((day + 1)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 12) { while((day + 3)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
}
if(year2%100 === 80 ||
year2%100 === 8) {
	if(month2 === 1) { while((day2 - 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 2) { while((day2 + 2)%7 ===0) {day2=Math.ceil(Math.random() * 29);}}
	if(month2 === 3) { while((day2 + 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 4) { while((day2 - 3)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 5) { while((day2 - 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 6) { while((day2 + 2)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 7) { while((day2 - 3)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 8) { while(day2%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 9) { while((day2 + 3)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 10) { while((day2 - 2)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 11) { while((day2 + 1)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 12) { while((day2 + 3)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
}
if(year3%100 === 80 ||
year3%100 === 8) {
	if(month3 === 1) { while((day3 - 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 2) { while((day3 + 2)%7 ===0) {day3=Math.ceil(Math.random() * 29);}}
	if(month3 === 3) { while((day3 + 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 4) { while((day3 - 3)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 5) { while((day3 - 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 6) { while((day3 + 2)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 7) { while((day3 - 3)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 8) { while(day3%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 9) { while((day3 + 3)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 10) { while((day3 - 2)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 11) { while((day3 + 1)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 12) { while((day3 + 3)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
}
if(year%100 === 86 ||
year%100 === 97 ||
year%100 === 3 ||
year%100 === 14) {
	if(month === 1) { while((day - 2)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 2) { while((day + 1)%7 ===0) {day=Math.ceil(Math.random() * 28);}}
	if(month === 3) { while((day + 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 4) { while((day - 3)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 5) { while((day - 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 6) { while((day + 2)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 7) { while((day - 3)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 8) { while(day%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 9) { while((day + 3)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 10) { while((day - 2)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 11) { while((day + 1)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 12) { while((day + 3)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
}
if(year%100 === 92) {
	if(month === 1) { while((day - 2)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 2) { while((day + 1)%7 ===0) {day=Math.ceil(Math.random() * 29);}}
	if(month === 3) { while(day%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 4) { while((day - 4)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 5) { while((day - 2)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 6) { while((day + 1)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 7) { while((day - 4)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 8) { while((day - 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 9) { while((day + 2)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 10) { while((day - 3)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 11) { while(day%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 12) { while((day + 2)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
}
if(year2%100 === 86 ||
year2%100 === 97 ||
year2%100 === 3 ||
year2%100 === 14) {
	if(month2 === 1) { while((day2 - 2)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 2) { while((day2 + 1)%7 ===0) {day2=Math.ceil(Math.random() * 28);}}
	if(month2 === 3) { while((day2 + 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 4) { while((day2 - 3)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 5) { while((day2 - 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 6) { while((day2 + 2)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 7) { while((day2 - 3)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 8) { while(day2%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 9) { while((day2 + 3)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 10) { while((day2 - 2)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 11) { while((day2 + 1)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 12) { while((day2 + 3)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
}
if(year2%100 === 92) {
	if(month2 === 1) { while((day2 - 2)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 2) { while((day2 + 1)%7 ===0) {day2=Math.ceil(Math.random() * 29);}}
	if(month2 === 3) { while(day2%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 4) { while((day2 - 4)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 5) { while((day2 - 2)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 6) { while((day2 + 1)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 7) { while((day2 - 4)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 8) { while((day2 - 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 9) { while((day2 + 2)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 10) { while((day2 - 3)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 11) { while(day2%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 12) { while((day2 + 2)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
}
if(year3%100 === 86 ||
year3%100 === 97 ||
year3%100 === 3 ||
year3%100 === 14) {
	if(month3 === 1) { while((day3 - 2)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 2) { while((day3 + 1)%7 ===0) {day3=Math.ceil(Math.random() * 28);}}
	if(month3 === 3) { while((day3 + 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 4) { while((day3 - 3)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 5) { while((day3 - 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 6) { while((day3 + 2)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 7) { while((day3 - 3)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 8) { while(day3%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 9) { while((day3 + 3)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 10) { while((day3 - 2)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 11) { while((day3 + 1)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 12) { while((day3 + 3)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
}
if(year3%100 === 92) {
	if(month3 === 1) { while((day3 - 2)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 2) { while((day3 + 1)%7 ===0) {day3=Math.ceil(Math.random() * 29);}}
	if(month3 === 3) { while(day3%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 4) { while((day3 - 4)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 5) { while((day3 - 2)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 6) { while((day3 + 1)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 7) { while((day3 - 4)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 8) { while((day3 - 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 9) { while((day3 + 2)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 10) { while((day3 - 3)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 11) { while(day3%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 12) { while((day3 + 2)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
}
if(year%100 === 81 ||
year%100 === 87 ||
year%100 === 98 ||
year%100 === 9 ||
year%100 === 17) {
	if(month === 1) { while((day - 3)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 2) { while(day%7 ===0) {day=Math.ceil(Math.random() * 28);}}
	if(month === 3) { while(day%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 4) { while((day - 4)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 5) { while((day - 2)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 6) { while((day + 1)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 7) { while((day - 4)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 8) { while((day - 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 9) { while((day + 2)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 10) { while((day - 3)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 11) { while(day%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 12) { while((day + 2)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
}
if(year%100 === 4) {
	if(month === 1) { while((day - 3)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 2) { while(day%7 ===0) {day=Math.ceil(Math.random() * 29);}}
	if(month === 3) { while((day + 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 4) { while((day - 5)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 5) { while((day - 3)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 6) { while(day%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 7) { while((day - 5)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 8) { while((day - 2)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 9) { while((day + 1)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 10) { while((day - 4)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
	if(month === 11) { while((day - 1)%7 ===0) {day=Math.ceil(Math.random() * 30);}}
	if(month === 12) { while((day + 1)%7 ===0) {day=Math.ceil(Math.random() * 31);}}
}
if(year2%100 === 81 ||
year2%100 === 87 ||
year2%100 === 98 ||
year2%100 === 9 ||
year2%100 === 17) {
	if(month2 === 1) { while((day2 - 3)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 2) { while(day2%7 ===0) {day2=Math.ceil(Math.random() * 28);}}
	if(month2 === 3) { while(day2%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 4) { while((day2 - 4)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 5) { while((day2 - 2)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 6) { while((day2 + 1)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 7) { while((day2 - 4)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 8) { while((day2 - 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 9) { while((day2 + 2)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 10) { while((day2 - 3)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 11) { while(day2%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 12) { while((day2 + 2)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
}
if(year2%100 === 4) {
	if(month2 === 1) { while((day2 - 3)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 2) { while(day2%7 ===0) {day2=Math.ceil(Math.random() * 29);}}
	if(month2 === 3) { while((day2 + 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 4) { while((day2 - 5)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 5) { while((day2 - 3)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 6) { while(day2%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 7) { while((day2 - 5)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 8) { while((day2 - 2)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 9) { while((day2 + 1)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 10) { while((day2 - 4)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
	if(month2 === 11) { while((day2 - 1)%7 ===0) {day2=Math.ceil(Math.random() * 30);}}
	if(month2 === 12) { while((day2 + 1)%7 ===0) {day2=Math.ceil(Math.random() * 31);}}
}
if(year3%100 === 81 ||
year3%100 === 87 ||
year3%100 === 98 ||
year3%100 === 9 ||
year3%100 === 17) {
	if(month3 === 1) { while((day3 - 3)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 2) { while(day3%7 ===0) {day3=Math.ceil(Math.random() * 28);}}
	if(month3 === 3) { while(day3%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 4) { while((day3 - 4)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 5) { while((day3 - 2)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 6) { while((day3 + 1)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 7) { while((day3 - 4)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 8) { while((day3 - 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 9) { while((day3 + 2)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 10) { while((day3 - 3)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 11) { while(day3%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 12) { while((day3 + 2)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
}
if(year3%100 === 4) {
	if(month3 === 1) { while((day3 - 3)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 2) { while(day3%7 ===0) {day3=Math.ceil(Math.random() * 29);}}
	if(month3 === 3) { while((day3 + 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 4) { while((day3 - 5)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 5) { while((day3 - 3)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 6) { while(day3%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 7) { while((day3 - 5)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 8) { while((day3 - 2)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 9) { while((day3 + 1)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 10) { while((day3 - 4)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
	if(month3 === 11) { while((day3 - 1)%7 ===0) {day3=Math.ceil(Math.random() * 30);}}
	if(month3 === 12) { while((day3 + 1)%7 ===0) {day3=Math.ceil(Math.random() * 31);}}
}
By Anonymous, 2021-06-22 15:46:00
let foo = {} // object no. 1
let bar = {} // object no. 2

foo > bar // return false
foo < bar // return false, so maybe foo equals bar?
foo == bar // oh well, return false
// but
foo >= bar // return true, 'cause !(foo < bar) == true

return value is expected, but JS is funny

By Anonymous, 2021-03-12 21:08:32
'use strict'

// exports //

module.exports = Math.sqrt
By Igor, 2021-09-01 21:28:26
var query = $("#search-query");
query.click(function() {
  if (query.val() == 'szukaj...') {
     query.val('');
  }
});
By Kadet, 2016-02-14 14:54:32
function isAllowSearchLength(text) {
    return text.length > isNaN(parseInt(text, 10)) ? 1 : 0;
}
By Anonymous, 2018-01-24 12:02:46