Browser Compatibility Testing of async attribute for external scripts

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async attribute for external scripts
async attribute for external scripts

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async attribute for external scripts

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BROWSER SUPPORT FOR async attribute for external scripts

Google Chrome

Chrome 4 to 7 doesn't supports. Chrome 8 to 70 supports async attribute for external scripts property.

Mozilla Firefox

Firefox 2 to 3.5 dosen't supports. Firefox 3.6 to 63 supports async attribute for external scripts property.

Internet Explorer

IE browser version 6 to 9 doesn't support. IE browser version 10 and 11 support async attribute for external scripts.

Safari

Safari browser version 3.1 to 4 doesn't supports. This property is not supported by default but can be enabled by Safari 5 version. Safari browser version 5.1 to 12 supportsasync attribute for external scripts.

Microsoft Edge

Microsoft Edge browser version 12 to 18 doesn't supports async attribute for external scripts.

Opera

Opera version 10.1 and 23 doesn't supports.Opera version 24 and 53 doesn't supports async attribute for external scripts.

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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