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Number of elements in a javascript object
Is there a way to get (from somewhere) the number of elements in a javascript object?? (i.e. constant-time complexity).
6 A...
Loading cross-domain endpoint with AJAX
...np" I can't get a response. However using jsonp the browser is expecting a script mime type but is receiving "text/html".
9...
How to check file input size with jQuery?
... about other file information you should know: http://felipe.sabino.me/javascript/2012/01/30/javascipt-checking-the-file-size/
Old browsers support
Be aware that old browsers will return a null value for the previous this.files call, so accessing this.files[0] will raise an exception and you sho...
jQuery counting elements by class - what is the best way to implement this?
...s. But I can't think of a way to count all of these simply with jQuery/JavaScript.
6 Answers
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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 JSON...
How to fix “Attempted relative import in non-package” even with __init__.py
...(described below by BrenBarn) needed to allow these imports for executable scripts (e.g. when using a shebang and doing ./my_script.py at the Unix shell) would all be useful. This whole issue was quite tricky for me to figure out or find concise and understandable documentation on.
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jQuery ajax error function
...nction(data, textStatus, jqXHR) {
console.log(data.error);
}
Your asp script schould return:
{"error": true}
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Prevent onmouseout when hovering child element of the parent absolute div WITHOUT jQuery
...rking on IE, Safari or Opera. Do you have a cross-browser version of this script? It works like a charm in Firefox and Chrome. Thanks.
– user352353
Jun 13 '13 at 21:18
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Code for a simple JavaScript countdown timer?
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I wrote this script some time ago:
Usage:
var myCounter = new Countdown({
seconds:5, // number of seconds to count down
onUpdateStatus: function(sec){console.log(sec);}, // callback for each second
onCounterEnd: function(...
how to show alternate image if source image is not found? (onerror working in IE but not in mozilla)
...ge.
NEW
I would like to add a jQuery way, if this can help anyone.
<script>
$(document).ready(function()
{
$(".backup_picture").on("error", function(){
$(this).attr('src', './images/nopicture.png');
});
});
</script>
<img class='backup_picture' src='./images/nonex...