let showDots = typeof project.showDots === 'boolean' ? project.showDots : false;

if (showDots) {
    // Somecode ...
}

Why, just why??

By Anonymous, 2017-08-08 11:41:49
$options.splice($options.indexOf('option7'), 1);
$options.splice($options.indexOf('option5'), 1);
$options.splice($options.indexOf('option4'), 1);
$options.splice($options.indexOf('option3'), 1);
$options.splice($options.indexOf('option2'), 1);
$options.splice($options.indexOf('option1'), 1);
By A "senior" developer, 2018-02-19 16:49:52
isCreatedUser : !this.isEdit ? true : false

Vue.js project, someone wanted to verify if the user was being edited or created...

By rat, 2021-10-21 17:11:54
// What they did:
var serverCommands = {};
for(var each in commandList.general)
    (dmCommands[commandList.general[each].type] ? dmCommands[commandList.general[each].type] +=
    (config.prefix + each + (commandList.general[each].args ? ' ' + commandList.general[each].args : '') +
    ': ' + commandList.general[each].description + '\n') : (dmCommands[commandList.general[each].type] =
    '\u200B'+ config.prefix + each + (commandList.general[each].args ? ' ' + commandList.general[each].args : '') +
    ': ' + commandList.general[each].description + '\n'))

// What they should've done:
let srvrCmds = new Map();
let gldCmds = commandList[message.guild.id];
for (let each in gldCmds) {
    const cur = gldCmds[each];
    const text = `${config.prefix + each + (cur.args ? " " + cur.args : "")}: ${cur.description}\n`;
    const srvrCmdType = srvrCmds.get(cur.type);
    srvrCmds.set(cur.type, (srvrCmdType || "\u200B") + text);
}
By Anonymous, 2018-01-18 05:57:37
function deleteConfirm() {
    var result = confirm("Are you sure to delete this customer ?");
    if (result) {
        return true;
    } else {
        return false;
    }
}
By SuperNova, 2022-05-07 08:15:19
		roots.push(resolver(Config.root, `${pageDir}${path.sep}${page}${path.sep}${page}.html`));
By Anonymous, 2023-04-01 10:39:37
scrollToEl($el.parent().parent().parent());

Someones idea of how to select an element to scroll to.... Please no.

By Anonymous, 2019-09-27 15:20:17
this.props.HeaderStore.setHeader(true, null, false, false, true, true,'dashboardNavigation');
By Fluttershy, 2018-01-19 08:53:26
if (cookiesBannerHeight !== 0 && isMobile) {
      style = {
        top: cookiesBannerHeight === 0 ? 0 : cookiesBannerHeight
      }
}
By Kubus, 2018-02-28 11:00:11
// powtierdzenie decyzji
function zapytaj(pytanie){
	if(confirm(pytanie)) return true
	else return false;
}
By first year student, 2018-10-02 21:30:46
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
pageEndReached() {
      if (!this.endOfResults) {
        //load more pages
        this.page++;
        this.getPosts();
      followerCount: null,
      postCount: null,
      measurementKeys: ["a", "b", "c", "d", "e"],
      showDrafts: false,
    };
  },

nani

By sonic, 2021-06-08 22:52:01
let already_in = True;
while (already_in) {
    let random_index = Math.floor(arr.length * Math.random());
    let already_in = False;
    for (ex of exs) {
        if (ex.id === arr[random_index].id) {
            already_in = True;
        }
    }
}

Yes, this is JavaScript, and yes it didn't work. Found while reviewing some code

By L., 2021-05-17 11:20:12
socket.on('newMessage', (messageObj) => {
	if (roomNumber === messageObj.roomNumber) {

		console.log("message received:" + messageObj.message);
		$('#messages').append($('<li>').text(messageObj.userName + ' : ' + messageObj.message));

	}
});

socket.in wasn't behaving as advertised (broadcasting to all rooms). I decided to take matters into my own hands.

By Andrew, 2017-12-13 02:57:58
function resetfields_simple()
{
	pole1=document.getElementById('dataOd');
	pole1.value='';
	pole2=document.getElementById('dataDo');
	pole2.value='';
	pole3=document.getElementById('trescKom');
	pole3.value='';	
	pole4=document.getElementById('katId');
	pole4.value='';	
}

function resetfields()
{
	pole1=document.getElementById('dataOd');
	pole1.value='';
	pole2=document.getElementById('dataDo');
	pole2.value='';
	pole3=document.getElementById('trescKom');
	pole3.value='';	
	pole4=document.getElementById('dokId');
	pole4.value='';	
	pole5=document.getElementById('katId');
	pole5.value='';	
	pole6=document.getElementById('currId');
	pole6.value='';		
}

function resetfields_arch()
{
	pole1=document.getElementById('dataOd');
	pole1.value='';
	pole2=document.getElementById('dataDo');
	pole2.value='';
	pole3=document.getElementById('trescKom');
	pole3.value='';	
	pole4=document.getElementById('dokId');
	pole4.value='';	
	pole5=document.getElementById('katId');
	pole5.value='';	
}
By javascriptowiec, 2020-06-30 21:29:57