Repeat a string

Concatenate a string with itself a given number of times.

JavaScript Version 1.0.0 · MIT · .md

function repeat({ text, times }) { return text.repeat(times); }

Input & expected output

{
  "text": "ab",
  "times": 3
}

"ababab"

The edge case

{
  "text": "x",
  "times": 0
}

""

Know the limits

• The lab caps the result at 16,000 characters before allocating it.

The function above is the implementation used by the lab. The lab validates JSON types and caps size before execution; include equivalent validation when accepting untrusted input in your application.

Keep exploring

• Capitalize a string — Uppercase the first Unicode code point and preserve the remaining text.
• Reverse a string — Reverse Unicode code points without splitting surrogate pairs.
• Check a palindrome — Compare a string with its code-point reversal.