HTMLScriptElement
Baseline
Widely available
*
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
* Some parts of this feature may have varying levels of support.
HTML <script> elements expose the HTMLScriptElement interface, which provides special properties and methods for manipulating the behavior and execution of <script> elements (beyond the inherited HTMLElement interface).
JavaScript files should be served with the text/javascript MIME type, but browsers are lenient and block them only if the script is served with an image type (image/*), video type (video/*), audio type (audio/*), or text/csv. If the script is blocked, its element receives an error event; otherwise, it receives a load event.
Note:
When inserted using the Document.write() method, <script> elements execute (typically synchronously), but when inserted using Element.innerHTML or Element.outerHTML, they do not execute at all.