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

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

pop

107.4M/s

shift

106.3M/s

.splice(0)

56.4M/s

length

37.3M/s

reassignment

12.1M/s

View exact numbers

Script Preparation code:

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

Tests: