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Detect the Internet connection is offline?
How to detect the Internet connection is offline in JavaScript?
18 Answers
18
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How to detect escape key press with pure JS or jQuery?
...
Using JavaScript you can do check working jsfiddle
document.onkeydown = function(evt) {
evt = evt || window.event;
if (evt.keyCode == 27) {
alert('Esc key pressed.');
}
};
Using jQuery you can do check worki...
Convert XML to JSON (and back) using Javascript
... from http://code.google.com/p/x2js/):
This library provides XML to JSON (JavaScript Objects) and vice versa javascript conversion functions. The library is very small and doesn't require any other additional libraries.
API functions
new X2JS() - to create your instance to access all library funct...
Getting the object's property name
I was wondering if there was any way in JavaScript to loop through an object like so.
13 Answers
...
jQuery - hashchange event
...a class='hash-changer' href='#foo'>Foo</a>
<script type='text/javascript'>
if (("onhashchange" in window) && !($.browser.msie)) {
//modern browsers
$(window).bind('hashchange', function() {
var hash = window.location.hash.replace(/^#/,'');
//do wha...
.prop() vs .attr()
...hese properties are similar to attributes, but are only accessible through JavaScript. This is an important difference that helps clarify the role of DOM properties. Please note that attributes are completely different from properties, as this event handler assignment is useless and won't receive th...
How can I convert a string to boolean in JavaScript?
...resenting a boolean value (e.g., 'true', 'false') into a intrinsic type in JavaScript?
83 Answers
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How can I detect when the mouse leaves the window?
...pt embedded for debugging:
<html>
<head>
<script type="text/javascript">
function addEvent(obj, evt, fn) {
if (obj.addEventListener) {
obj.addEventListener(evt, fn, false);
}
else if (obj.attachEvent) {
obj.attachEvent("on" + evt, fn);
}
}
addEvent(w...
How to get a cross-origin resource sharing (CORS) post request working
...
I finally stumbled upon this link "A CORS POST request works from plain javascript, but why not with jQuery?" that notes that jQuery 1.5.1 adds the
Access-Control-Request-Headers: x-requested-with
header to all CORS requests. jQuery 1.5.2 does not do this. Also, according to the same quest...
How to remove text from a string?
...
This doesn't have anything to do with jQuery. You can use the JavaScript replace function for this:
var str = "data-123";
str = str.replace("data-", "");
You can also pass a regex to this function. In the following example, it would replace everything except numerics:
str = str.repl...