[Webkit-unassigned] [Bug 167940] New: Unable to use literal astral-plane unicode character in JavaScript

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Tue Feb 7 08:42:37 PST 2017


https://bugs.webkit.org/show_bug.cgi?id=167940

            Bug ID: 167940
           Summary: Unable to use literal astral-plane unicode character
                    in JavaScript
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: claude.pache at gmail.com

Type:

    var 𐋀;

where the character before the semi-colon is U+102C0 (CARIAN LETTER G).

Equivalently, try:

    eval("var \u{102C0};"); // (note that the escape sequence is expanded when evaluating the string)

I get the error:

    SyntaxError: Invalid character '\u55296'

I expect: no error (because U+102C0 is a letter).

Note that the following code works as expected (no error):

    var \u{102C0};

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