class FileReader extends EventTarget(...READER_EVENTS) {
    // [...]
    readAsArrayBuffer() {
        throw new Error('FileReader.readAsArrayBuffer is not implemented');
    }
}

React Native's way of saying they don't support FileReader.readAsArrayBuffer()

By Aurovik, 2018-12-12 12:50:22
if(userEndDate.getTime() != null
    && userEndDate.getTime() > today.getTime()
    && endDateFromRequest != null ? endDateFromRequest.getTime() !== userEndDate.getTime() : true){
            
            //some code
     }

for code lovers :D

By Unnamed, 2018-11-30 16:12:08
if (code === null) {
    return null;
} else {
    return code;
}
By crossthedev, 2018-11-19 15:33:47
	const ws = new WebSocket('wss://echo.websocket.org', {
		agent: new HttpsProxyAgent(`https://${proxy}`)
	});
	wsz.push(ws);
	ws.onopen = () => {
		if (ws.readyState === WebSocket.OPEN) {
			.....
			ws.close();
		}
	};
	ws.onerror = () => {
		ws.close();
	};

u just cant trust, just cant......

By Neon, 2018-10-23 18:14:26
const errorHandler = () => {
  throw new Error();
};
By Anonymous, 2018-10-08 19:35:38
// powtierdzenie decyzji
function zapytaj(pytanie){
	if(confirm(pytanie)) return true
	else return false;
}
By first year student, 2018-10-02 21:30:46
o.isInsured = function ()
{ return !!this.insured; }

Why don't be like normal people and use bool() cast?

By Anonymous, 2018-09-22 14:31:37
var div = '<div class="imgdiv" '+(user[5] ? 'style="display: flex; flex-direction: column; padding: 10px; justify-content: flex-end; background-image: url(\''+user[5]+'\');"' : '')+'>'
        + (usersVideos[userId] && <?= ($authuser ? 'true' : 'false') ?> ? '<i class="f7-icons icon-acc" onclick="videoShow('+user[uID]+')" style="color: white; font-size: 50px; margin-bottom: 5px; cursor: pointer; text-align: left;">play_round</i>' : '')
        + (iam && page=='home' ? '<div> <input id="video-input" onchange="uploadVideo(files)" type="file" accept="video/*" style="display: none; width: 80%; height: 100px; margin: auto; padding-top: 20px;"/> </div> <p class="action_cont" style="padding: 0; padding-top: 12;"> <a class="act_btn" onmousedown=document.getElementById("video-input").click() href="javascript:void(0)" style="text-decoration: none; margin: auto; width: calc(100% - 26px); text-align: center;"> ' + (myMods['video'] ? 'Загрузить новое видео' : 'Добавить видео-превью' ) + ' </a> </p>' : '')
+ '</div>'

JS + CSS + PHP + HTML

By Anon, 2018-08-24 18:30:12
const setFormFlag(state){
    state.formFlag ? state.formFlag = false : state.formFlag = true;
}
By Apeiron, 2018-07-27 20:43:23
<div class="scrollContent">
	{foreach $animations as $index => $a}
		{if $index > 2}
			{if $a.filename == '9_1447691013_3726.png'}
			{else}
				{if $a.filename == '9_1423150010_6441.png'}
				{else}
					{if $a.filename == '9_1423149959_5909.png'}
					{else}
						{if $a.filename == '9_1423149908_5874.png'}
						{else}
							{if $a.filename == '9_1528213223_6374.jpg'}
							{else}
								{if $a.filename == '9_1527670984_3732.jpg'}
								{else}

							<div class="spotlightFrame frame{$index+1} contains1" data-index="{$index}">
								{if $a.link}<a href="{$a.link}">{/if}
								<img src="/upload/{$a.filename}" alt="{$a.title}" />
								{if $a.link}</a>{/if}
							</div>

								{/if}
							{/if}
						{/if}
					{/if}
				{/if}
			{/if}
		{/if}
	{/foreach}
</div>

Handovers are great.

By Anonymous, 2018-07-09 14:50:36
const newReply = (reply !== null) ? reply : null;
By foxy, 2018-06-04 21:19:27
function clean(toClean, source){
	if (typeof(toClean) !== 'string') return true;
	if (typeof(source) !== 'string') return true;
	
	return source.replace(toClean, String('CLEANED')).toString();
}

Found this in a project at work and someone clearly doesn't trust JavaScripts typeof function

By Anonymous, 2018-06-02 22:09:57
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
function edit_vehality: locality,
      google_place_id: '1'
    };
    let opts = { 'method': 'put', 'route': '/border/' + border_id, 'status': status, 'account_access_token': saved_values.superadmin.account_access_token, 'params': params };
    request(opts)
      .then(function(res) {
        resolve(res.result);
      }).catch(reject);
  })
}
By a poor soul, 2018-04-11 17:07:13
request.get_something = (something_id) => {
  return new Promise((resolve, reject) => {
    database.find_all('something', { where: {something_id: something_id, is_deleted:0} }).then(function(res){
      let result = {};
      res = JSON.stringify(res);
      res = JSON.parse(res);
      res.forEach(function(element){
        if(typeof element.is_deleted != "undefined"){
          delete element.is_deleted;
        }
        let key = 'something_' + element.id;
        result[key] = element;
      });
      resolve(result);
    }, reject);
  });
}

I LOVE MY JOB!

By ADyingDeveloper, 2018-04-05 17:24:33