[Webkit-unassigned] [Bug 196764] New: Date.setDate is too slow

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=196764

            Bug ID: 196764
           Summary: Date.setDate is too slow
           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: 348018533 at qq.com

var sTime = Date.now();
var curTime = new Date();

for (var i = 0; i < 10000; i++) {
curTime.setDate(i);
}
console.log(Date.now() - sTime)



The execution time of the above code in different browsers:
Wkwebview: 16000ms
Safari: 120ms
Chrome: 3ms

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