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Permutations in JavaScript?
I'm trying to write a function that does the following:
35 Answers
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Detect when browser receives file download
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One possible solution uses JavaScript on the client.
The client algorithm:
Generate a random unique token.
Submit the download request, and include the token in a GET/POST field.
Show the "waiting" indicator.
Start a timer, and every second or so, l...
Shortest distance between a point and a line segment
...solution in any language you want; I can translate it into what I'm using (Javascript).
52 Answers
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Refresh a page using PHP
... screen, like stock prices, but not use that information in a form or from javascript, perhaps use an iframe tag pointing to a page with just the information being updated, and with a delay appropriate to how current the information must be.
– Patanjali
Oct 23 ...
Prevent HTML5 video from being downloaded (right-click saved)?
...to paint <video> on <canvas>. In this technique, with a bit of JavaScript, what you see on the page is a <canvas> element rendering frames from a hidden <video>. And because it's a <canvas>, the context menu will use an <img>'s menu, not a <video>'s. You'll ...
Get the value of checked checkbox?
...ng jQuery:
var checkedValue = $('.messageCheckbox:checked').val();
Pure javascript without jQuery:
var checkedValue = null;
var inputElements = document.getElementsByClassName('messageCheckbox');
for(var i=0; inputElements[i]; ++i){
if(inputElements[i].checked){
checkedValue = ...
Is there a way to make a DIV unselectable?
...on the fly and are willing to use Modernizr, the following works neatly in javascript:
var userSelectProp = Modernizr.prefixed('userSelect');
var specialDiv = document.querySelector('#specialDiv');
specialDiv.style[userSelectProp] = 'none';
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CSS :not(:last-child):after selector
...our browser just doesn't support the :not() selector?
You may need to use JavaScript or similar to accomplish this cross-browser. jQuery implements :not() in its selector API.
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HTML 5: Is it , , or ?
...omparison to actual (x)html (because it has to be executed). In any case, Javascript isn't necessarily available on all computers so websites that excessively rely on them aren't very flexible. Also, html doesn't have functions.
– Michael0x2a
Mar 3 '12 at 15:...
jQuery: Can I call delay() between addClass() and such?
...delay method only works for numeric CSS modifications.
For other purposes JavaScript comes with a setTimeout method:
window.setTimeout(function(){$("#div").removeClass("error");}, 1000);
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