$.string-repeat.js
368 Bytes
'use strict';
var toInteger = require('./$.to-integer')
, defined = require('./$.defined');
module.exports = function repeat(count){
var str = String(defined(this))
, res = ''
, n = toInteger(count);
if(n < 0 || n == Infinity)throw RangeError("Count can't be negative");
for(;n > 0; (n >>>= 1) && (str += str))if(n & 1)res += str;
return res;
};