array length vs slice vs at

Benchmark created on

Description

return specific item from array

Setup

// Our array with items
const colors = ["red", "green", "blue"];

Test runner

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Testing in
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length
// Using length property
const lengthWay = colors[colors.length - 2];
console.log(lengthWay); // 'green'
ready
slice()
// Using slice() method. Note an array is returned
const sliceWay = colors.slice(-2, -1);
console.log(sliceWay[0]); // 'green'
ready
at()
// Using at() method
const atWay = colors.at(-2);
console.log(atWay); // 'green'
ready

Revisions

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