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Use dynamic (variable) string as regex pattern in JavaScript
...(regex, "!!");
alert(output); // Hello this is !! some !! stuff.
JSFiddle demo here.
In the general case, escape the string before using as regex:
Not every string is a valid regex, though: there are some speciall characters, like ( or [. To work around this issue, simply escape the string before ...
Check if an element contains a class in JavaScript?
... get true if the class you are looking for is part of another class name.
DEMO
jQuery uses a similar (if not the same) method.
Applied to the example:
As this does not work together with the switch statement, you could achieve the same effect with this code:
var test = document.getElementById...
How do I POST urlencoded form data with $http without jQuery?
...ction(response) { /* do something here */ });
See a more verbose Plunker demo
How are $httpParamSerializerJQLike and $httpParamSerializer different
In general, it seems $httpParamSerializer uses less "traditional" url-encoding format than $httpParamSerializerJQLike when it comes to complex dat...
Suggestions for debugging print stylesheets?
...
@Chuck. Thanks Man. Hey, I realized my demo was off-line, so I created a fiddle for it. jsfiddle.net/dNEmT
– Dawson
Jun 18 '11 at 5:15
add ...
How to find if an array contains a specific string in JavaScript/jQuery? [duplicate]
...e given value), or -1 if the given value was not found in the array.
Live demo: http://jsfiddle.net/simevidas/5Gdfc/
You probably want to use this like so:
if ( $.inArray('specialword', arr) > -1 ) {
// the value is in the array
}
...
How can I make a jQuery UI 'draggable()' div draggable for touchscreen?
...
jQuery ui 1.9 is going to take care of this for you. Heres a demo of the pre:
https://dl.dropbox.com/u/3872624/lab/touch/index.html
Just grab the jquery.mouse.ui.js out, stick it under the jQuery ui file you're loading, and that's all you should have to do! Works for sortable as wel...
How to get progress from XMLHttpRequest
...
<!DOCTYPE html>
<html>
<body>
<p id="demo">result</p>
<button type="button" onclick="get_post_ajax();">Change Content</button>
<script type="text/javascript">
function update_progress(e)
{
if (e.lengthComputable)
{
...
How to run a makefile in Windows?
I have some demos that I downloaded and they come with a Makefile.win and a Makefile.sgi. How can I run these in Windows to compile the demos?
...
JavaScript blob filename without link
...eds HTML5. My code is just an example, you could also try the FileSaver.js demo page: eligrey.com/demos/FileSaver.js
– kol
Oct 13 '13 at 8:57
1
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Best way to detect when a user leaves a web page?
... It also allows you to ask back if the user really wants to leave. See the demo onbeforeunload Demo.
Alternatively, you can send out an Ajax request when he leaves.
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