HTMLScriptElement: blocking property
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The blocking
property of the HTMLScriptElement
interface is a string indicating that certain operations should be blocked on the fetching of the script.
It reflects the blocking
attribute of the <script>
element.
Value
A string. Must be a space-separated list of blocking tokens listed below indicating the operations that are to be blocked:
render
-
The rendering of content on the screen is blocked.
Examples
html
<script id="el" type="text/javascript" async blocking="render"></script>
js
const el = document.getElementById("el");
console.log(el.blocking); // Output: "render"
Specifications
Specification |
---|
HTML Standard # dom-script-blocking |
Browser compatibility
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