JavaScript

Through CSS3, we can create animation, which can replace animated pictures, flash animation, and JavaScript on many web pages. What you need to do is to define the animation rule using the @keyframes keyword with a given name, and then assign the animation to an Html element’s animationName CSS style attribute. This article will tell […]

This article will tell you how to use WebSocket in javascript to communicate with the WebSocket server with examples.

This article will tell you how to use the javascript window object’s postMessage(message, targetOrigin) method to post text messages ( or javascript object’s JSON string data ) between the iframe/popup window and it’s parent window with examples.

I Include an external javascript file in an Html file, when I browse the Html file in a web browser, I meet the javascript error with the error message Uncaught SyntaxError: Invalid or unexpected token. This article will tell you how to fix it.

I include an external javascript file in my Html file, this javascript file is written by me also. The Html file name is test.html, the javascript file name is test.js. I upload the two files to a local web browser ( if not upload the file test.html, test.js to a web server, you will encounter

I write an Html file, and include an external javascript file in the Html file with the code <script type=”module” src=”test.js” ></script>. But when I open the Html file from a web browser with a local file URL like file:///D:/Work/……/test.html that starts with the file:// protocol scheme, it shows the error message Access to script