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[...
What I want to do is take a string such as this.those.that and get a substring to or from the nth occurrence of a character. So, from the start of the string to the 2nd occurrence of . would return this.those. Likewise, from the 2nd occurrence of ....
I was trying to understand what is the difference between spread syntax vs slice method in the following approach.  suppose I want to make an actual copy of an array, I can probably easily do it using spread syntax  var fruits = ["Banana", &#...
I have an array containing objects. Now I want to slice the array to new arrays containing only those objects matching a certain property value.  Ideally the new array names should be created dynamically.  The original array looks like this:  specifi...
Iv'e got an problem. Please help me what is wrong.  There is my code :  (function () {      var app = angular.module('store', ['ui.bootstrap']);      app.controller('StoreController', function ($scope, $http) {         $sc...
Does anyone know what the difference is between these two methods:  String.prototype.slice String.prototype.substring...
I have a JSON file wherein am reading the objects and displaying them in a div. But i just need to show only five of the objects rather than all.  Below is the code which i am using  $.each(recentActdata.slice(0,5), function(i, data) {             va...
Let's say I have this array:  var myarray = [a, b, c, d, e];   I want to select every item in the array except c.  var myselection = myarray.slice(3,5);   This selects only d and e. I would have to do:  var myselection = myarray.slice(3,5) + myar...
Lets say I have:  var array = [0,1,2,3,4,5,6,7,8,9]   I define:  var itemsToExtract  = 5 var startindex = 7 var direction = "forward"   I want to be able to do:  array.someMethod(startindex, itemsToExtract, direction)   and get  [7,8,9,0,1]...

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