Run results for: undefined comparison

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:124.0) Gecko/20100101 Firefox/124.0

Browser: Firefox 124

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

length

235K/s

void 0

1K/s

undefined

1K/s

View exact numbers

Tests:

undefined
const test = 'abcdefgh' for(let i=10000; i>0; i--) { if (test[i] === undefined) { } }
void 0
const test = 'abcdefgh' for(let i=10000; i>0; i--) { if (test[i] === void 0) { } }
length
const test = 'abcdefgh' for(let i=10000; i>0; i--) { if (i === test.length) { } }