Run results for: Array isArray vs typeof vs array || []

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:144.0) Gecko/20100101 Firefox/144.0

Browser: Firefox 144

Operating system: Linux

Device Platform: Desktop

Date tested: 9 months ago

typeof

142.2M/s

array || []

115.4M/s

instanceOf

27.3M/s

isArray

26.3M/s

View exact numbers

Script Preparation code:

var test = [1,2,3,4];
var c;

Tests: