Run results for: Best practise for loop, with more options

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36

Browser: Chrome 86

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
best practice	163386.1 Ops/sec
normal	95191.7 Ops/sec
best practice with plus plus reversed	130826.6 Ops/sec
normal with plus plus reversed	96383.7 Ops/sec
backwards	139859.1 Ops/sec
backwards minus minus reversed	137577.9 Ops/sec

Script Preparation code:


var names = ['George','Ringo','Paul','John','George','Ringo','Paul','John','George','Ringo','Paul','John','George','Ringo','Paul','John','George','Ringo','Paul','John','George','Ringo','Paul','John'];
var total = 0;

Tests:

best practice
for(var i=0,j=names.length;i<j;i++){ total++ }
normal
for(var i=0; i<names.length;i++){ total++; }
best practice with plus plus reversed
for(var i=0,j=names.length;i<j;i++){ total++ }
normal with plus plus reversed
for(var i=0; i<names.length;++i){ total++; }
backwards
for(var i=names.length-1;i>=0;i--){ total++ }
backwards minus minus reversed
for(var i=names.length-1;i>=0;--i){ total++ }

Run results for: Best practise for loop, with more options

best practice

normal

best practice with plus plus reversed

normal with plus plus reversed

backwards

backwards minus minus reversed