Run results for: For vs Foreach

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/61.0.3163.79 Safari/537.36

Browser: Chrome 61

Operating system: Linux

Device Platform: Other

Date tested: 6 years ago

Test name	Executions per second
for javascript	21138.4 Ops/sec
foreach javascript	23094.6 Ops/sec
foreach jquery	15203.4 Ops/sec

Script Preparation code:

var test = [
    { name: 'John', age: 75 },
    { name: 'Mike',    age: 85 },
    { name: 'Jane',   age: 95 },
    { name: 'June', age: 65 },
    { name: 'Mick',       age: 55 }
];

Tests:

for javascript
for (var i = 0; i < test.length; i++) { console.log(test[i]); }
foreach javascript
test.forEach(function(test, index) { console.log(test); });
foreach jquery
$.each(test, function(index, test ) { console.log(test) })

Run results for: For vs Foreach

Testing performance

for javascript

foreach javascript

foreach jquery