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scripts.js
29 lines (23 loc) · 920 Bytes
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scripts.js
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function calculateTip(event) {
event.preventDefault();
let bill = document.getElementById('bill').value
let quality = document.getElementById('quality').value
let numOfPeople = document.getElementById('people').value
if(bill == '' | quality == 0){
alert("Por favor, preencha os valores")
return
}
if(numOfPeople == "" | numOfPeople <= 1) {
numOfPeople = 1;
document.getElementById('each').style.display = "none"
} else {
document.getElementById('each').style.display = "block"
}
let total = (bill * quality) / numOfPeople;
total = total.toFixed(2);
document.getElementById('tip').innerHTML = total;
document.getElementById('totalTip').style.display = "block";
}
document.getElementById('totalTip').style.display = "none";
document.getElementById('each').style.display = "none";
document.getElementById('tipsForm').addEventListener('submit', calculateTip)