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

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:147.0) Gecko/20100101 Firefox/147.0

Browser: Firefox 147

Operating system: Linux

Device Platform: Desktop

Date tested: 5 months ago

typeof

341.9M/s

array || []

340.3M/s

isArray

183.6M/s

instanceOf

161.8M/s

View exact numbers

Script Preparation code:

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

Tests: