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

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:141.0) Gecko/20100101 Firefox/141.0

Browser: Firefox 141

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

shift

2371.0M/s

pop

1084.5M/s

reassignment

351.9M/s

length

113.5M/s

View exact numbers

Script Preparation code:

var array = [];

for(var i = 0; i < 100000; i++){array.push(Math.random());}

Tests: