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How can I remove or replace SVG content?
I have a piece of JavaScript code which creates (using D3.js) an svg element which contains a chart. I want to update the chart based on new data coming from a web service using AJAX, the problem is that each time I click on the update button, it generates a new svg , so I want to remove the old ...
PHP - Get bool to echo false when false
...FALSE == ''. It's perfectly valid and a part of other languages, including javascript. What's weird is FALSE defaults to an empty string. It should default to 0. Always. Especially since TRUE will always default to 1. This breaks a cardinal rule of programming. Keep your code consistent. This is cle...
Eclipse does not highlight matching variables
... (built on Eclipse), you'll want Preferences > Studio > Editors > JavaScript > Mark occurrences....
– adamdport
Apr 18 '14 at 16:14
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How do I fire an event when a iframe has finished loading in jQuery?
...frame id="frameid" src="page.aspx"></iframe>
<script language="javascript">
iframe = document.getElementById("frameid");
WaitForIFrame();
function WaitForIFrame() {
if (iframe.readyState != "complete") {
setTimeout("WaitForIFrame();", 200);
} ...
Should I use px or rem value units in my CSS? [closed]
...y using REM, but I have most problem using rem is when I use matrix() with javascript which is matrix translate values are using px (correct me if I am wrong), and I am so confused with it.
– Ampersanda
Feb 26 '18 at 12:41
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How to map atan2() to degrees 0-360
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I don't think this is correct in all languages. In Javascript -1 % 360 = -1
– Startec
Sep 14 '16 at 9:36
1
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Is well formed without a ?
...ll do nothing on their own. You will have to customize their behavior with JavaScript.
HTML5 introduces the form attribute on HTML form elements. It should let you explicitly bind an element with a form even if it is not enclosed within a form tag. Unfortunately, for the time being, the implementati...
How do I check whether a jQuery element is in the DOM?
...u do it a hundred thousand times. And it might all change if jQuery or the JavaScript engine gets optimised.Just use whatever method reads better to you and to whoever has to maintain your code in future.
– James
Feb 10 '16 at 13:55
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User recognition without cookies or local storage
...tion (this is a little-known but often unique key signature)
HTML5 & Javascript
HTML5 LocalStorage
HTML5 Geolocation API and Reverse Geocoding
Architecture, OS Language, System Time, Screen Resolution, etc.
Network Information API
Battery Status API
The items I listed are, of course, just...
jquery - fastest way to remove all rows from a very large table
...move() methods of jQuery actually do quite a bit of work. See John Resig's JavaScript Function Call Profiling for why.
The other thing is that for large amounts of tabular data you might consider a datagrid library such as the excellent DataTables to load your data on the fly from the server, increa...