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 have a string, 12345.00, and I would like it to return 12345.0.  I have looked at trim, but it looks like it is only trimming whitespace and slice which I don't see how this would work. Any suggestions?...

I have the following array.  var arr = [1,0,2];   I would like to remove the last element i.e. 2.  I used arr.slice(-1); but it doesn't remove the value....

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", &#...

Is there any reason why one should be used over the other?  e.g.  var arData=['a','b','c']; arData.slice(1,1);//removes 'b'  var arData=['a','b','c']; delete arData[1];//removes 'b'...

Looking at this tutorial I saw the following code suggestion in one comment:  init:function(callback){             var that =this ;             return $http.jsonp(this.url).success(                 function(data){                     that.availableGe...

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...

I have something like this:  <div ng-repeat="atma in abc">    <li ng-repeat="atma in abc.slice(0,3)"><span>{{$index+1}} - {{atma.weapon}} </span></li> </div>   I wanted to slice these results at, ea...