JavaScript (ES2026) reference · String Methods

JavaScript String repeat() Method

Return a new string made of this string repeated a given number of times, for example to build separators or padding.

JavaScript (ES2026) Since ES2015

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Syntax

string.repeat(count)

Parameter	Description
`count`	How many copies, from 0.

A new string.

Repeat textTry it yourself

console.log("ab".repeat(3), JSON.stringify("x".repeat(0)));

Output

ababab ""

Underline a titleTry it yourself

const title = "Report";
console.log(title);
console.log("=".repeat(title.length));

Output

Report
======

Version	Change
JavaScript ES2015	Added

string.padStart() · Pad the start of a string until it reaches a target length, for example zero-padding numbers like 007.
string.concat() · Join one or more strings to the end of this string and return the result. The + operator and template literals are more common.
JavaScript Strings · tutorial
JavaScript String Methods · tutorial