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?...

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 came across the following code:  var f = function () {     var args = Array.prototype.slice.call(arguments).splice(1);      // some more code  };   Basically, the result in args is an array that is a copy of the arguments without its first element....

I was trying to slice an object using Array.prototype, but it returns an empty array, is there any method to slice objects besides passing arguments or is just my code that has something wrong? Thx!!  var my_object = {  0: 'zero',  1: 'on...