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Are there constants in JavaScript?
Is there a way to use constants in JavaScript ?
33 Answers
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What does = +_ mean in JavaScript
I was wondering what the = +_ operator means in JavaScript. It looks like it does assignments.
12 Answers
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Using JQuery - preventing form from submitting
...lete example:
<html>
<head>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script type='text/javascript'>
$(document).ready(function() {
//option A
$(...
Is there any way to call a function periodically in JavaScript?
Is there any way to call a function periodically in JavaScript?
9 Answers
9
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How does “this” keyword work within a function?
I just came across an interesting situation in JavaScript. I have a class with a method that defines several objects using object-literal notation. Inside those objects, the this pointer is being used. From the behavior of the program, I have deduced that the this pointer is referring to the ...
What does 'var that = this;' mean in JavaScript?
In a JavaScript file I saw:
6 Answers
6
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HTTP Content-Type Header and JSON
... I don't know the full context of the problem here -- BUT, browsers (and javascript) do care about Content-Type sometimes. This header can impact the heuristics a browser uses to display content, and sending XML and JSON with a content-type of text/html can often create subtle bugs in the underly...
What does the “|” (single pipe) do in JavaScript?
...ration on each pair
of bits. a OR b yields 1 if either a
or b is 1.
JavaScript truncates any non-integer numbers in bitwise operations, so its computed as 0|0, which is 0.
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How to easily truncate an array with JavaScript?
...iable if you want to discard the other values.
Note: This is just regular javascript, no need for jquery.
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What is JSON and why would I use it?
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JSON (JavaScript Object Notation) is a lightweight format that is used for data interchanging. It is based on a subset of JavaScript language (the way objects are built in JavaScript). As stated in the MDN, some JavaScript is not ...