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paritosh.in@samsung.com authored
Implementing Element.closest() API according to specs https://dom.spec.whatwg.org/#dom-element-closest This API will parse selectors and if fails then throw SyntaxError else return closest ancestor that matches selectors if there is no ancestor that matches selectors, it will return nullptr. Blink-Dev Intent to Implement and ship Link : https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/yk_Fo6hyvb8 This patch is a merge from webkit http://trac.webkit.org/changeset/174324 by Dhi Aurrahman <diorahman@rockybars.com>". BUG=422731, 417603 R=habib.virji@samsung.com Review URL: https://codereview.chromium.org/701723007 git-svn-id: svn://svn.chromium.org/blink/trunk@185180 bbb929c8-8fbe-4397-9dbb-9b2b20218538
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