Implement DOM4 methods: prepend(), append(), before(), after() and replaceWith()
Steps to reproduce the problem:
1. Open the testcase http://jsbin.com/fiqacod/edit?html,js,output in Edge.
What is the expected behavior?
The test should pass.
What went wrong?
The test failed, indicating that Edge does not support the relevant DOM4 methods.
Chrome Bug: https://bugs.chromium.org/p/chromium/issues/detail?id=255482
Firefox Bug: https://bugzilla.mozilla.org/show_bug.cgi?id=911477
Can I Use: http://caniuse.com/#feat=dom-manip-convenience
These APIs are included in EdgeHTML 17 released today (30/04/2018)
Franklin Yu commented
It's not "in development" in Chrome. Chrome has been supporting all these since 54, released one year ago.
David Storey [MSFT] commented
This has just landed in our internal dev branch.