Notifys you when a target value is reached

currency_notification.js

Notification.requestPermission()

const CURRENCY = "USD-BRL"
let myTargetValue = window.prompt("Targe value")
let intervalId = null

async function checkCurrency(targeValue, currency) {
    let currencyKey = currency.replace("-", "")

    let response = await fetch(`https://economia.awesomeapi.com.br/last/${currency}`)
    json = await response.json()
    console.log(json)

    if (json[currencyKey]["ask"] >= targeValue) {
        new Notification("Currency Notification", {
            body: `Target value of ${targeValue} was reached!`,
        })
        clearInterval(intervalId)
    }

}

intervalId = setInterval(checkCurrency, 30000, myTargetValue, CURRENCY)