Google Translate API

api.js

const sourceLang = "en"
const targetLang = "id"
const sourceText = "Hello"

const translate = (sourceLang, targetLang, sourceText) => new Promise((resolve, reject) => {
    $.getJSON(`https://translate.googleapis.com/translate_a/single`, {
        client: "gtx",
        sl: sourceLang,
        tl: targetLang,
        dt: "t",
        q: encodeURI(sourceText)
    }).promise().then(data => resolve(data[0][0][0]))
})

translate("en", "id", "Hello").then(console.log) // "Halo"