Run results for: String Repeatify

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/63.0.3239.132 Safari/537.36

Browser: Chrome 63

Operating system: Mac OS X 10.13.3

Device Platform: Other

Date tested: 2025 years ago

Test name	Executions per second
1	125540.0 Ops/sec
2	210419.5 Ops/sec
3	829218.8 Ops/sec
4	62019.0 Ops/sec

Tests:

1

String.prototype.repeatify = function(numTimes) {
  let result = this;
  for (let i = 0; i < numTimes - 1; i++) {
    result += this;
  }
  return result;
};

'test'.repeatify(100);

​x
 
String.prototype.repeatify = function(numTimes) {  let result = this;  for (let i = 0; i < numTimes - 1; i++) {    result += this;  }  return result;};​'test'.repeatify(100);

2

String.prototype.repeatify = function(numTimes) {
  return new Array(numTimes + 1).join(this);
};

'test'.repeatify(100);

 
String.prototype.repeatify = function(numTimes) {  return new Array(numTimes + 1).join(this);};​'test'.repeatify(100);

3

String.prototype.repeatify = function(numTimes) {
  return new Array(3).fill(this).join('');
};

'test'.repeatify(100);

 
String.prototype.repeatify = function(numTimes) {  return new Array(3).fill(this).join('');};​'test'.repeatify(100);

4

String.prototype.repeatify = function(numTimes) {
  var strArray = [this];
  for (var i = 0; i < numTimes - 1; i++) {
    strArray.push(this);
  }
  return strArray.join('');
};

'test'.repeatify(100);

 
String.prototype.repeatify = function(numTimes) {  var strArray = [this];  for (var i = 0; i < numTimes - 1; i++) {    strArray.push(this);  }  return strArray.join('');};​'test'.repeatify(100);