Defer Attribute Browser Support

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HTML script defer Attribute - w3schools.com

    https://www.w3schools.com/tags/att_script_defer.asp
    If neither async or defer is present: The script is fetched and executed immediately, before the browser continues parsing the page Browser Support The numbers in the table specify the first browser version that fully supports the attribute.

Can I use... Support tables for HTML5, CSS3, etc

    https://caniuse.com/
    Nov 04, 2019 · "Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers. The site was built and is maintained by Alexis Deveria, with occasional updates provided by the web development community. The design used as of 2014 was largely created by Lennart Schoors. FAQ

defer attribute for external scripts browser_support ...

    https://apimirror.com/browser_support_tables/script-defer
    browser_support_tables defer attribute for external scripts. The boolean defer attribute on script elements allows the external JavaScript file to run when the DOM is loaded, without delaying page load first.

: The Script element - HTML: Hypertext Markup Language MDN

    https://developer.mozilla.org/en/docs/Web/HTML/Element/script
    defer. This Boolean attribute is set to indicate to a browser that the script is meant to be executed after the document has been parsed, but before firing DOMContentLoaded. Scripts with the defer attribute will prevent the DOMContentLoaded event from firing until the script has loaded and finished evaluating.

HTML DOM Script defer Property - W3Schools

    https://www.w3schools.com/jsref/prop_script_defer.asp
    The defer property sets or returns whether a script should be executed when a page has finished parsing, or not. This property reflects the defer attribute of the <script> tag. Note: The defer attribute is only for external scripts (and should only be used if the src attribute is present).

<script defer> - HTML

    https://html.com/attributes/script-defer/
    The defer element of <script> allows a script to load, but pauses the execution of the script until the page has loaded. Claire Broadley Claire is seasoned technical writer, editor, and HTML enthusiast.

Using SCRIPT's defer Attribute - David Walsh Blog

    https://davidwalsh.name/script-defer
    Jul 16, 2010 · His post details browser support (and quality of browser support...or lack thereof), advanced examples, and tips for using the defer attribute. What I find funny about this tag is that it seems as though most of the script I see should be using this attribute.

When should you add the defer attribute to the script ...

    https://gomakethings.com/when-should-you-add-the-defer-attribute-to-the-script-element/
    Note: you can only use the defer attribute with external scripts. Do not use it with inlined JavaScript. What’s browser support like? The defer attribute works in all modern browsers, and IE 10 and up. If you need to support IE9, you probably should use the DOMContentLoaded event …

JavaScript: Defer Execution - with the defer attribute of ...

    http://www.websiteoptimization.com/speed/tweak/defer/
    First introduced by Internet Explorer 4, the defer attribute of the script element is now part of the HTML 4 and XHTML specifications. The defer attribute gives a hint to the browser that the script does not create any content so the browser can optionally defer interpreting the script.



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