Javascript Tips

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Revision as of 08:57, 25 November 2021 by AliIybar (Talk | contribs) (Created page with "Category:Javascript Category:Tips == Shorten the console.log == <pre> const log = console.log.bind(document) log("some message") </pre> == Use isNum to verify a nu...")

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Shorten the console.log

 const log = console.log.bind(document)
 log("some message")

Use isNum to verify a number

function isNum(n) {return !isNaN(parseFloat(n)) && isFinite(n);}

Use isNull

 
 const isNull = value => value === null || value === undefined;

Remove duplicates from an array

const delDuplicates = array => [...new Set(array)]