How to use aria-expanded=”true” to change a css property
Why javascript when you can use just css?
html
How can I center - into a div?
Since ul and li elements are display: block by default — give them auto margins and a width that is smaller than their container. If you’ve changed their display property, or done something that overrides normal alignment rules (such as floating them) then this won’t work.
How to make canvas responsive
To change width is not that hard. Just remove the width attribute from the tag and add width: 100%; in the css for #canvas Changing height is a bit harder: you need javascript. I have used jQuery because i’m more comfortable with. you need to remove the height attribute from the canvas tag and add this script: You can see this fiddle: https://jsfiddle.net/1a11p3ng/3/ … Read more
How to make HTML element resizable using pure Javascript?
I really recommend using some sort of library, but you asked for it, you get it: Demo Remember that this may not run in all browsers (tested only in Firefox, definitely not working in IE <9).
How to make div background color transparent in CSS
Opacity gives you translucency or transparency. See an example Fiddle here. Note: these are NOT CSS3 properties See http://css-tricks.com/snippets/css/cross-browser-opacity/
Why onbeforeunload event is not firing
The onbeforeunload event is not cancel-able, because of security reasons, but if an event handler function for the onbeforeunload event returns a string value, this text will be shown in a confirmation dialog box, where the user can confirm whether he wants to stay or leave the current page. Note that event listeners cannot be registered for the onbeforeunload event with the addEventListener and attachEvent methods (only … Read more
html : iframe not showing content in html
Change your src with //www.youtube.com/embed/C8kSrkz8Hz8 your code shoud look like this Find code under each video on youtoube at Share menu.
jQuery find element by data attribute value
Use Attribute Equals Selector Fiddle Demo .find() it works down the tree Get the descendants of each element in the current set of matched elements, filtered by a selector, jQuery object, or element.
Unexpected token < in first line of HTML
Your page references a Javascript file at /Client/public/core.js. This file probably can’t be found, producing either the website’s frontpage or an HTML error page instead. This is a pretty common issue for eg. websites running on an Apache server where paths are redirected by default to index.php. If that’s the case, make sure you replace … Read more
“Uncaught TypeError: Illegal invocation” in Chrome
In your code you are assigning a native method to a property of custom object. When you call support.animationFrame(function () {}) , it is executed in the context of current object (ie support). For the native requestAnimationFrame function to work properly, it must be executed in the context of window. So the correct usage here … Read more