Run results for: Array filter vs. for loop and for in

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.62 Safari/537.36

Browser: Chrome 67

Operating system: Linux

Device Platform: Desktop

Date tested: 5 years ago

Script Preparation code:

var arr = [1,2,3,4,null,5,6,"7",8,{a:2},0], farr=[], i,len;

Tests: