Run results for: clearing array via pop() vs shift() vs .length = 0 vs = [] (200k)

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:146.0) Gecko/20100101 Firefox/146.0

Browser: Firefox 146

Operating system: Windows

Device Platform: Desktop

Date tested: 7 months ago

shift

512.2M/s

pop

118.6M/s

reassignment

48.1M/s

length

25.7M/s

.splice(0)

15.9M/s

View exact numbers

Script Preparation code:

var array = [];

for(var i = 0; i < 200000; i++){array.push(Math.random());}

Tests: