[Webkit-unassigned] [Bug 169600] New: innerText setter inserts empty text node if value starts with newline

Tue Mar 14 06:53:07 PDT 2017

https://bugs.webkit.org/show_bug.cgi?id=169600

            Bug ID: 169600
           Summary: innerText setter inserts empty text node if value
                    starts with newline
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: zcorpan at gmail.com
                CC: buildbot at hotmail.com, cdumez at apple.com,
                    commit-queue at webkit.org, darin at apple.com,
                    d at domenic.me, rniwa at webkit.org, sam at webkit.org

+++ This bug was initially created as a clone of Bug #160971 +++

<!DOCTYPE html>
<body>
<script>document.body.innerText = '\nfoo'</script>

The body will have 3 children (empty text node, <br>, text node "foo"), expect 2 (<br>, text node "foo").

If the assigned value starts with a newline, WebKit/Chromium inserts an empty text node, the spec/Gecko/IE don't.

Spec at https://html.spec.whatwg.org/multipage/dom.html#the-innertext-idl-attribute

Tests: https://github.com/w3c/web-platform-tests/pull/3492

Fail    Start with CR    assert_not_equals: Should not have empty text nodes got disallowed value ""
Fail    Start with LF    assert_not_equals: Should not have empty text nodes got disallowed value ""
Fail    Start with CRLF    assert_not_equals: Should not have empty text nodes got disallowed value ""

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