[Webkit-unassigned] [Bug 196678] New: JavaScriptCore stop execute javascript on missing pair bracket

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sat Apr 6 06:49:03 PDT 2019


https://bugs.webkit.org/show_bug.cgi?id=196678

            Bug ID: 196678
           Summary: JavaScriptCore stop execute javascript on missing pair
                    bracket
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: coldnew.tw at gmail.com

Created attachment 366886

  --> https://bugs.webkit.org/attachment.cgi?id=366886&action=review

TestCase, firefox and Chrome will show green rectangle, webkit keep it red

When javascript missing pair bracket, like following:

    var oldRectangle = $('[id^="rectangle"').parent();

Webkit will stop execute other javascript and throw following error:

  [Error] Error: Syntax error, unrecognized expression: [id^="rectangle"
          error (jquery-1.12.4.min.js:2:12788)
          tokenize (jquery-1.12.4.min.js:2:18792)
          select (jquery-1.12.4.min.js:2:21596)
          fa (jquery-1.12.4.min.js:2:7322)
          find (jquery-1.12.4.min.js:2:24114)
          init (jquery-1.12.4.min.js:2:24681)
          n (jquery-1.12.4.min.js:2:420)
          Global Code (index.html:25)

If I fixed the javascript syntax to:

    var oldRectangle = $('[id^="rectangle"]').parent();

All error gone.

This is due to WRONG syntax on javascript, but Firefox and Chrome they will fix the javascript syntax and will not throw any error.

The attatchement can test this problem, on Firefox/Chrome the result rectangle is in Green, but use webkit to render it, the color will be Red.

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