Browser Compatibility Testing of JAVASCRIPT ECMAScript 5 Strict Mode

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JAVASCRIPT ECMAScript 5 Strict Mode
JAVASCRIPT ECMAScript 5 Strict Mode
JavaScript

JAVASCRIPT ECMAScript 5 Strict Mode

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BROWSER SUPPORT FOR JAVASCRIPT ECMAScript 5 Strict Mode

Google Chrome

Chrome version 4 to 12 doesn't supports. Chrome version 13 to 70 supports JAVASCRIPT ECMAScript 5 Strict Mode.

Mozilla Firefox

Firefox version 2 to 3.6 doesn't supports JAVASCRIPT ECMAScript 5 Strict Mode. Firefox version 4 to 63 supports JAVASCRIPT ECMAScript 5 Strict Mode.

Internet Explorer

IE browser version 6 to 9 doesn't supports. IE browser version 10 and 11 supports JAVASCRIPT ECMAScript 5 Strict Mode.

Safari

Safari browser version 3.1 to 4 doesn't supports. Safari browser version 5 and 5.1 partially suppoprts. Safari browser version 11 to 12 doesn't supports JAVASCRIPT ECMAScript 5 Strict Mode.

Microsoft Edge

Microsoft Edge browser version 12 to 18 supports JAVASCRIPT ECMAScript 5 Strict Mode property.

Opera

Opera version 10.1 and 11.5 doesn't supports JAVASCRIPT ECMAScript 5 Strict Mode. Opera version 12.1 to 53 supports JAVASCRIPT ECMAScript 5 Strict Mode.

Information sourced from

Can I use

"Can I use" provides up-to-date browser support tables for support of front-end web technologies on desktop and mobile web browsers.

  • Google Chrome
  • Mozilla
  • Edge
  • IE
  • opera
  • Safari
  • Yandex

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