Widely available Supported across all major browsers. Safe to use in production.

String repeat()

The repeat() method of String values constructs and returns a new string which contains the specified number of copies of this string, concatenated together.

Strings

Browser support

Feature Desktop Mobile
Chrome
Edge
Firefox
Safari
Chrome Android
Safari iOS
javascript.builtins.String.repeat
41
12
24
9
36
9
1+Supported (version) Not supported ※Has note Sub-feature descriptions sourced from MDN Web Docs (CC BY-SA 2.5)

Syntax

JAVASCRIPT 
'abc'.repeat(3);  // 'abcabcabc'
'-'.repeat(20);   // '--------------------'
'ha'.repeat(0);   // ''

Live demo

star. generate

Number to, ★m-k specifiedtimesnumberrepeat..

PreviewFullscreen

separator. generate

any. Character repeat, textbe-s. separe-ta create..

PreviewFullscreen

loadingmiddleanimation

dt"." repeat, progressdisplay. like out row..

PreviewFullscreen

Use cases

  • Using String repeat()

    The repeat() method of String values constructs and returns a new string

Cautions

  • No specific concerns. Stable across all major browsers.

Accessibility

  • When updating the DOM dynamically, announce important changes to assistive technology with aria-live regions.

Related links