Benchmark: Array isArray vs typeof vs array || []

Script Preparation code:

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

Tests:

Rendered benchmark preparation results:

Previous results

Latest run results:

Run details: (Test run date: 5 months ago)

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

Browser/OS: Firefox 147 on Linux

typeof

341.9M/s

array || []

340.3M/s

isArray

183.6M/s

instanceOf

161.8M/s

View exact numbers

Array isArray vs typeof vs array || [] (version: 1)