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 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...
This is a bit involved, I'll try to be as clear as possible.  I'll also preface by first saying that this is working as intended in Chrome and later versions of IE but not in Firefox or older IE, that's the main thrust of my question.  I&...
I followed the advice from a previous question to get my promps to add values to an array, but it has caused my program to throw up True values when they are not.  HIGHEST_GRADE = 7; LOWEST_GRADE = 0;  var course = new Array(); var grade = new Array(...

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