davidbarredo

var indexOf = function(needle) {
    if(typeof Array.prototype.indexOf === 'function') {
        indexOf = Array.prototype.indexOf;
    } else {
        indexOf = function(needle) {
            var i = -1, index = -1;

            for(i = 0; i < this.length; i++) {
                if(this[i] === needle) {
                    index = i;

davidbarredo

A = [];
// This is perfect if you don't have references to the original array A anywhere else because this actually creates a brand new (empty) array. 

A.length = 0;
// This will clear the existing array by setting its length to 0

A.splice(0,A.length);
// Using .splice() will work perfectly, but since .splice() function will return an array with all the removed items, it will actually return a copy of the original array. Benchmarks suggests that this has no effect on performance whatsoever.

while(A.length > 0) {

davidbarredo

//for positive integers
/^\+?[1-9]\d*$/.test();

//for positive integers and zero
/^\+?(0|[1-9]\d*)$/.test();

//for positive/negative integers and zero
/^\-?(0|[1-9]\d*)$/.test();

//to match specific chars

davidbarredo

function copyTextToClipboard(text) {
  var textArea = document.createElement("textarea");

  //
  // *** This styling is an extra step which is likely not required. ***
  //
  // Why is it here? To ensure:
  // 1. the element is able to have focus and selection.
  // 2. if element was to flash render it has minimal visual impact.
  // 3. less flakyness with selection and copying which **might** occur if

davidbarredo

var obj = {
    foo: function() {
        // do awesome things
    },
    bar: function() {
        // do magic stuff
    }
};

var collection = Backbone.Collection.extend({});

davidbarredo

var url = window.URL || window.webkitURL;
// Change inputFileID with your own
document.getElementById("inputFileID").onchange = function() {
	if ( this.disabled ) {
		// File upload not allowed
		console.log( 'Your browser does not support File upload.' );
	} else {
		var fileChosen = this.files[0];
		var image = new Image();
		image.onload = function() {

davidbarredo

//  Remember to prototype your own custom Date
var customDate = Date

//  Date extension to to make monday day 0 (week start on monday)
customDate.prototype.getDayL = function () {
	if ( this.getDay() == 0 ) {
		return 6;
	}else{
		return this.getDay() - 1;
	}

davidbarredo

/* Create script element */
var script = document.createElement('script');
script.type = 'text/javascript';
script.src = 'https://gist.github.com/7544705.js';
/* Backup document.write function */
if(!document._write) document._write = document.write;
/* Override document.write function */
document.write = function (str) {
	document.getElementById('scriptCont').innerHTML += str;
};

davidbarredo

window.onresize = function() {
	if ( this.resizeTimer ) clearTimeout( this.resizeTimer );
	this.resizeTimer = setTimeout ( function() {
		/* Your code here */
	}, 500 );
}

davidbarredo

require('font-awesome/css/font-awesome.css');

document.body.innerHTML = '<i class="fa fa-fw fa-question"></i>';