Javascript Check Value Exist in Array

Aug 20, 2018

ES2016 / ECMAScript 2016 Array.includes (Chrome 68)

['japan', 'taiwan'].includes('japan')  // true

ES6 / ECMAScript 6 / ECMAScript 2015 Set

const countries = new Set(['japan', 'taiwan'])countries.has('japan')  // true

Lodash includes

_.includes(['japan', 'taiwan'], 'japan')  // true

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✨ By Desmond Lua

A dream boy who enjoys making apps, travelling and making youtube videos. Follow me on @d_luaz

👶 Apps I built

Travelopy - discover travel places in Malaysia, Singapore, Taiwan, Japan.

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