Contents
Is DOMContentLoaded necessary?
Basically no. If script modifies element, it needs to exist. If you put script after that element it exists. If you put it Before, it does not exist and you may want to use DOMContentLoaded to wait for script to execute until it’s sure it exists.
What is a browser DOM?
What is the DOM? The Document Object Model (DOM) is a programming interface for web documents. The DOM represents the document as nodes and objects; that way, programming languages can interact with the page. A web page is a document that can be either displayed in the browser window or as the HTML source.
What is difference between DOMContentLoaded and load?
The DOMContentLoaded event fires when parsing of the current page is complete; the load event fires when all files have finished loading from all resources, including ads and images.
When to place JavaScript code in DOMContentLoaded event?
In this case, you don’t need to place the code in the DOMContentLoaded event, like this: The DOMContentLoaded event fires when the DOM content is loaded, without waiting for images and stylesheets to finish loading. Only handle DOMContentLoaded event if you place the JavaScript code in the head, which references elements in the body section.
Are there any browsers that do not support DOMContentLoaded?
Note, IE8 will not raise this alert since this event doesn’t take place there. Instead, you will find success from IE9 and IE10. Browser support for DOMContentLoaded is cataloged on the Mozilla Developer Network. As of today, this event is only available in the following browsers: JavaScript event names are case-sensitive strings.
How to detach DOMContentLoaded handler in JavaScript?
Thanks to Ruslan & here is the full code snippet with the convenient detach of the DOMContentLoaded handler after it is used. Another option would be to use the readystatechange event.
Is there a way to fix DOMContentLoaded in IE 8?
So, changing the name from ‘DomContentLoaded’ to ‘DOMContentLoaded’ will fix the issue — in Chrome at least. As for IE 8: There’s no way. The first version of IE to ever implement the DOMContentLoaded among other HTML5 events was version 9, so all I can say is: Update your browser!