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How can I create a two dimensional array in JavaScript?
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Javascript only has 1-dimensional arrays, but you can build arrays of arrays, as others pointed out.
The following function can be used to construct a 2-d array of fixed dimensions:
function Create2DArray(rows) {
var arr ...
Format JavaScript date as yyyy-mm-dd
...h the format Sun May 11,2014 . How can I convert it to 2014-05-11 using JavaScript?
42 Answers
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Why does JQuery have dollar signs everywhere?
... Unless you are using another language like PHP to populate javascript in your site using HTMLdocs, at which point that dollar sign serves the additional purpose of breaking everything since PHP does use the dollar sign to start all variables. (A reason that if you're sharing jQuery s...
How to change href of tag on button click through javascript
How to change the href attribute value of an <a/> tag through Javascript on button click ?
7 Answers
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Convert special characters to HTML in Javascript
Does any one know how to convert special characters to HTML in Javascript ?
26 Answers
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Early exit from function?
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@dbme: Functions in JavaScript always return. The return statement is implicit if it hasn't been provided. The default return value is undefined, and that's what my primary solution provides. The article you referenced is talking about doing ret...
How to detect if URL has changed after hash in JavaScript
How can I check if a URL has changed in JavaScript? For example, websites like GitHub, which use AJAX, will append page information after a # symbol to create a unique URL without reloading the page. What is the best way to detect if this URL changes?
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JavaScript seconds to time string with format hh:mm:ss
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I recommend ordinary javascript, using the Date object:
var seconds = 9999;
// multiply by 1000 because Date() requires miliseconds
var date = new Date(seconds * 1000);
var hh = date.getUTCHours();
var mm = date.getUTCMinutes();
var ss = date.ge...
Check if a JavaScript string is a URL
Is there a way in JavaScript to check if a string is a URL?
32 Answers
32
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Javascript what is property in hasOwnProperty?
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Here is short and precise answer:
In javascript, every object has a bunch of built-in key-value pairs that have meta-information about object. When you loop through all the key-value pairs using for...in construct/loop for an object you're looping through this m...