JS performance

Filtering numbers - {Shorts}

A few neat ways of filtering for numbers using JavaScript

Globals

const data = [ ...new Array(1000).fill(0).map(() => Math.random() > 0.5) ]

Cases

0 ops/s
data.filter(x => x === true)
0 ops/s
data.filter(x => !!x)
0 ops/s
data.filter(Boolean)

Options