Chromium policy on JavaScript dialogs
Synchronous, app-modal JavaScript dialogs are commonly (and unfortunately) used to harm users. Because of this, the Chromium team highly recommends that you not use JavaScript dialogs.
Synchronous, app-modal JavaScript dialogs are commonly (and unfortunately) used to harm users. Because of this, the Chromium team highly recommends that you not use JavaScript dialogs.
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Last updated 2018-10-30 UTC.