Run results for: fastfindindex

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.90 Safari/537.36

Browser: Chrome 89

Operating system: Mac OS X 10.15.4

Device Platform: Desktop

Date tested: 4 years ago

Test name	Executions per second
for	171741.7 Ops/sec
findIndex	2329713.0 Ops/sec

Script Preparation code:

var arr = []
for (let i = 0; i < 100; i++) {
    arr.push(i)
}


let index = -1

function getIndex(idx) {
    for (let i = 0, len = arr.length; i < len; i++) {
        if (arr[i] === idx) {
            return i
        }
    }
}

Tests:

for
index = getIndex(40)
findIndex
index = arr.findIndex(t => t === 40)

Run results for: fastfindindex

for and findIndex

for

findIndex