Javascript Repeat a String

This can be done using the .repeat() method:

"abc".repeat(3);

Output

"abcabcabc"

"abc".repeat(0);

Output

"abc".repeat(-1);

Output

Throws a RangeError

In the general case, this should be done using a correct polyfill for the ES6 String.prototype.repeat() method.
Otherwise, the idiom new Array(n + 1).join(myString) can repeat n times the string myString:

var myString = "abc";
var n = 3;
new Array(n + 1).join(myString);

Output

"abcabcabc"

Conclusion

In this page (written and validated by A. Gawali) you learned about Javascript Repeat a String . What's Next? If you are interested in completing Javascript tutorial, your next topic will be learning about: Javascript Date.

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