Run results for: looptest

Run details:

User agent: Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/55.0.2883.87 Safari/537.36

Browser: Chrome 55

Operating system: Windows 8.1

Device Platform: Other

Date tested: 7 years ago

Test name	Executions per second
map	143.1 Ops/sec
for	39.6 Ops/sec
forEach	38.3 Ops/sec

Script Preparation code:

	for(var i= 0,arr = [];i<50000;i++) {
 arr.push({name:"name "+i,full_name:i+" full name "+ i,age:i});
}
  function fun(x) {
    return {name: x.name,fname:x.full_name};
  }

Tests:

map
newArr = arr.map(fun);
for
for (var i = 0,l = arr.length; i < l; i++) { newArr[i] = fun(arr[i]); }
forEach
arr.forEach(function(part, index, theArray) { newArr[index] = fun(arr[index]); });

map

for

forEach