In order to duplicate an array in JavaScript: which of the following is faster to use?  Slice method  var dup_array = original_array.slice();   For loop  for(var i = 0, len = original_array.length; i < len; ++i)    dup_array[i] = original_array[...

I'm using this function to copy a URL to the clipboard:  function CopyUrl($this){    var querySelector = $this.next().attr("id");   var emailLink = document.querySelector("#"+querySelector);    var range = document.createRange()...

I want to have a button which selects the text in a textarea and copies it to the clipboard.  I can't seem to find any solutions which work in all browsers and don't use flash.  Surely this is doable?  I've seen it all over the place bu...

I have no knowledge of JavaScript, but I managed to put this code together using bits and bolts from various Stack Overflow answers. It works OK, and it outputs an array of all selected checkboxes in a document via an alert box.  function getSelec...

I have installed the grunt task grunt-contrib-copy. I embedd it in my Gruntfile.js and load the task via grunt.loadNpmTasks('grunt-contrib-copy');.   Currently I use following configuration to create a folder with a subset of my js files/fold...

I want a div to be duplicated when a button is clicked. I though something like this; but it's not working.  Can anyone help me?  HTML  <div id="duplicater">  duplicate EVERYTHING INSIDE THIS DIV </div>   JAVASCRIPT  function...

Yes, this question has been asked again and again: how to copy and paste from and to the system clipboard with javascript? I have found only partial solutions and hacks so far. The reason that it has been asked so often in the past is that there stil...

I want to copy a text to clipboard but in a new line.  Problem:  If you click the button in the snippet and paste in the notepad this is what you gonna get:     Name: testSurname: testEmail: [email protected]: testCity: testCountry: nullAd Catego...

I'm implementing a John Conway Game of Life, but I'm having a weird problem. Here is a short version if the code giving me trouble:  let lifeMap = [   [true, false, false],   [false, false, false],   [false, false, false] ]; let oldLifeMap =...

I'm trying to copy stories and tasks (and their hierarchies) from one Rally project to another.  I only need to copy from one 'template' project so I don't need to make use of the ProjectPicker widget.   Simply leveraging the existing...