Run results for: unshift123 - MeasureThat.net

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.96 Safari/537.36

Browser: Chrome 88

Operating system: Linux

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
[123].concat(a)	1003915.8 Ops/sec
splice	1779.8 Ops/sec
reverse.push.reverse	15005.0 Ops/sec
unshift	36297.7 Ops/sec
print a	29.5 Ops/sec

Script Preparation code:

a = [1,2,3,4,5]

Tests:

[123].concat(a)
[123].concat(a)
splice
a.splice(0,0,123)
reverse.push.reverse
a.reverse().push(123) a.reverse()
unshift
a.unshift(123)
print a
console.log(a)