How can I push into an array if neither values exist? Here is my array:  [     { name: "tom", text: "tasty" },     { name: "tom", text: "tasty" },     { name: "tom", text: "tasty" },     { name: "...
I'm doing a loop through few input elements of 'checkbox' type. After that, I'm adding values and checked attributes to an array. This is my code:  var stuff = {}; $('form input[type=checkbox]').each(function() {     stuff[$(t...
I know what is the difference between unshift() and push() methods in JavaScript, but I'm wondering what is the difference in time complexity?  I suppose for push() method is O(1) because you're just adding an item to the end of array, but I&...
I'm trying to push to a two-dimensional array without it messing up, currently My array is:  var myArray = [ [1,1,1,1,1], [1,1,1,1,1], [1,1,1,1,1] ]   And my code I'm trying is:  var r = 3; //start from rows 3 var c = 5; //start from col 5  v...
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Using Javascript i need to be able to:  1: Push a certain amount of the same function (with a different parameter in each) into an array.  2: Then run each function one by one (for this example just an alert of the parameter/number)  3: After each fu...
Hey, I currently am having trouble trying to get this to work. Here's a sample code of what I am trying. A lot has been taken out, but this should still contain the problem. I have an object, user, and an array, player. I am trying to make an arr...
I'm not a veteran of JavaScript and I have a little problem :  In an AngularJS controller, I get 2 arrays from a WebService of the form [{"id":"1", "name":"aname1"}, {"id":"2", "name":"a...
Newbie in node and express I am taking user input from html-form and  trying to append or push it in a .json file. I have used jsonfile npm-package but it is not coming in a array format of json  code for appending-  var express = require('expres...
I have an array set out like this:  var newCircles = [{     num: 0,     name: "title0",     x: 280,     y: 200,     color: "#555555",     r: 60 }, {     num: 1,     name: "title1",     x: 480,     y: 200,     color: "#5555...

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