js_snippets.md

JS snippets

Display readable json:

<pre>{JSON.stringify(myObject, null, 2)}</pre>

Delayed js debugger:

setTimeout(() => { debugger; }, 5000)

Create an array of n following number [0, 1, 2, ..., n-1]:

Array.from(Array(10), (_, i) => i)
Array.from({ length: 4 })

Sleep method:

await new Promise(r => setTimeout(r, 2000));

Get form inputs values:

const inputs = document.forms?.formId?.elements;
const inputs = document.getElementById(formId)?.elements;
Array.from(inputs).reduce((values, input) => acc[input.name] = input.value, {});