The defer attribute is a boolean attribute. If the defer attribute is set, it specifies that the script is downloaded in parallel to parsing the page, and executed after the page has finished parsing.

Find out if a script was executed when a page was finished parsing: The defer property sets or returns whether a script should be executed when a page has finished parsing, or not. This …

May 12, 2017 · HTML5 introduced the defer attribute for scripts whose loading can be deferred in a HTML page. defer may be used for any scripts that don't need to be loaded before the DOM …

Feb 27, 2024 · In this article, we will learn about the defer and async attributes in <script> tag. In your webpage, two things are happening in your browser: Suppose the browser is loading your …

Oct 25, 2021 · Luckily, there are two <script> attributes that solve the problem for us: defer and async. defer. The defer attribute tells the browser not to wait for the script. Instead, the …

Indicates that the script is a "classic script", containing JavaScript code. Authors are encouraged to omit the attribute if the script refers to JavaScript code rather than specify a MIME type. …

Jun 18, 2013 · defer is a boolean attribute [HTML 4.01 spec]: Some attributes play the role of boolean variables (e.g., the selected attribute for the OPTION element). Their appearance in …

Aug 5, 2021 · The defer attribute is a cheeky attribute that you can add to the script loading tag. defer tells the browser to act slightly differently when it tries to load that script. The defer …

In XHTML, the defer attribute must be specified as <script defer=”defer”> as attribute minimization is forbidden. You can use this attribute on the <script> element. An external script can be …

As of Sep 2020 i found that at least Chrome have native support to defer CSS with the attribute rel="preload" to make an async load of the file. You can use a more comprehensive approach …