Browser Compatibility Testing of JAVASCRIPT String.prototype.padStart(), String.prototype.padEnd()

Test on Latest Desktop and Mobile Browsers For
JAVASCRIPT String.prototype.padStart(), String.prototype.padEnd()
JAVASCRIPT String.prototype.padStart(), String.prototype.padEnd()

JAVASCRIPT String.prototype.padStart(), String.prototype.padEnd()

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BROWSER SUPPORT FOR JAVASCRIPT String.prototype.padStart(), String.prototype.padEnd()

Google Chrome

Chrome version 4 to 56 doesn't supports. Chrome version 57 to 70 suppports JAVASCRIPT String.prototype.padStart(), String.prototype.padEnd().

Mozilla Firefox

Firefox version 2 to 47 doesn't supports JAVASCRIPT String.prototype.padStart(), String.prototype.padEnd(). Firefox version 48 to 63 supports JAVASCRIPT String.prototype.padStart(), String.prototype.padEnd().

Internet Explorer

IE browser version 6 to 11 doesn't supports JAVASCRIPT String.prototype.padStart(), String.prototype.padEnd().


Safari browser version 3.1 to 9.1 doesn't supports. Safari browser version 10 to 12 supports JAVASCRIPT String.prototype.padStart(), String.prototype.padEnd().

Microsoft Edge

Microsoft Edge browser version 12 to 14 supports. Microsoft Edge browser version 15 to 18 supports JAVASCRIPT String.prototype.padStart(), String.prototype.padEnd() property.


Opera version 10.1 and 43 doesn't supports JAVASCRIPT String.prototype.padStart(), String.prototype.padEnd(). Opera version 44 to 53 supports JAVASCRIPT String.prototype.padStart(), String.prototype.padEnd().

Information sourced from

"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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