Dammmien

var ua = navigator.userAgent,
    isApple = /iPad/i.test(ua) || /iPhone/i.test(ua),
    isAndroid = ua.toLowerCase().indexOf("android") > -1;

if(isAndroid || isApple) {
  // do something ;
}

Dammmien

#foo{
  height: 150px;
  width: 300px;
  margin: auto;
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
}

Dammmien

var SA = function( a ) {

    a.has = function( v ) {
        var i = a.length;
        for ( i; i--; )
            if ( a[ i ] === v )
                return true;
        return false;
    };

Dammmien

var SD = {

    create: function( tag, attrs ) {
        tag = document.createElement( tag );
        for ( var attr in attrs ) tag[ attr ] = attrs[ attr ];
        return tag;
    },

    get: function( selector, context, undefined ) {
        var matches = {

Dammmien

(function() {
    console.clear();
    var loadTimes = chrome.loadTimes();
    console.log( "requestTime................. " + ( loadTimes.startLoadTime - loadTimes.requestTime ).toFixed( 2 ) + 's' );
    console.log( "commitLoadTime.............. " + ( loadTimes.commitLoadTime - loadTimes.startLoadTime ).toFixed( 2 ) + 's' );
    console.log( "finishDocumentLoadTime...... " + ( loadTimes.finishDocumentLoadTime - loadTimes.startLoadTime ).toFixed( 2 ) + 's' );
    console.log( "finishLoadTime.............. " + ( loadTimes.finishLoadTime - loadTimes.startLoadTime ).toFixed( 2 ) + 's' );
})()

Dammmien

class TimeTracker {

    constructor() {
        this.timers = {};
    }

    logLoadTimes() {
        var loadTimes = chrome.loadTimes();
        console.log( `commitLoadTime .............. ${( loadTimes.commitLoadTime - loadTimes.startLoadTime ).toFixed( 2 )}s` );
        console.log( `finishDocumentLoadTime ...... ${( loadTimes.finishDocumentLoadTime - loadTimes.startLoadTime ).toFixed( 2 )}s` );

Dammmien

var nodes = [
    {
        links: [ 1 ], // node 0 is linked to node 1
        visited: false
    }, {
        links: [ 0, 2 ], // node 1 is linked to node 0 and 2
        path: [],
        visited: false
    },
    ...

Dammmien

var average = arr => arr.reduce( ( p, c ) => p + c, 0 ) / arr.length;

average( [ 1, 2, 3, 4, 5, 6, 7, 8, 9 ] );

// 5

Dammmien

var matrix = [],
    H = 4, // 4 rows
    W = 6; // of 6 cells

for ( var y = 0; y < H; y++ ) {
    matrix[ y ] = [];
    for ( var x = 0; x < W; x++ ) {
        matrix[ y ][ x ] = "foo";
    }
}

Dammmien

let partition = ( a, n ) => a.length ? [ a.splice( 0, n ), ...partition( a, n ) ] : [];

partition( [ 1, 2, 3, 4, 5, 6, 7, 8 ], 2 );

// [
//     [ 1, 2 ],
//     [ 3, 4 ],
//     [ 5, 6 ],
//     [ 7, 8 ]
// ]