String padStart() and padEnd()

The padStart() and padEnd() methods of strings return a string lengthened to a minimum number of characters by adding characters to the start or end of the string.

Baseline Status: Achieved Widely Available on Oct 5, 2019 (Cross-browser Newly Available since Apr 5, 2017).

Desktop Browser Engine Support

Google Chrome

57

Supported

Mozilla Firefox

48

Supported

Apple Safari

10

Supported

Microsoft Edge

15

Supported

Mobile Browser Engine Support

Chrome Android

57

Firefox Android

48

Safari iOS

10

Specifications and References

Specification ↗ Can I Use (pad-start-end) ↗ Feature XML ↗

MDN Browser Compat Data Keys:

javascript.builtins.String.padEnd ↗ javascript.builtins.String.padStart ↗