Consider merging https://chromium.googlesource.com/chromium/blink/+/47ca40efdf58a4787aa33aa75a35778899b1c002 http://dom.spec.whatwg.org/#interface-range Now we can do `new Range()` instead of `document.createRange()`.
<rdar://problem/15866999>
*** This bug has been marked as a duplicate of bug 115639 ***