MDN’s new design is in Beta! A sneak peek:

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This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

Returned by DOMImplementationSource.getDOMImplementationList() and DOMImplementationRegistry.getDOMImplementationList() . Can be iterated with 0-based index.


DOMImplementationList.length Read only
Returns an integer.


Returns the pos item.


Specification Status Comment
Document Object Model (DOM) Level 3 Core Specification
The definition of 'DOMImplementationList' in that specification.
Recommendation Initial definition.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support ? ? ? ? ?
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support ? ? ? ? ?


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