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formValidator.js
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formValidator.js
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const nameRegex = /^[a-z ,.'-]+$/i;
const emailRegex = /.*/;
const dateRegex = /([12]\d{3}-(0[1-9]|1[0-2])-(0[1-9]|[12]\d|3[01]))/;
// Page Elements
const nameElement = document.getElementById("nameInput");
const emailElement = document.getElementById("emailInput");
const dateElement = document.getElementById("dateInput");
const resultContainer = document.getElementById("resultContainer");
const result = document.getElementById("result");
// Returns local timezone date in the format: YYYY-MM-DD
function getLocalDate() {
let date = new Date();
const offset = date.getTimezoneOffset();
date = new Date(date.getTime() - (offset * 60 * 1000));
return date.toISOString().split("T")[0];
}
// Shows error box
function showError(message) {
resultContainer.style.display = "block";
resultContainer.style.color = "red";
result.innerHTML = "Error: " + message;
}
// Show submission confirmation
function showConfirmation() {
resultContainer.style.display = "block";
resultContainer.style.color = "black";
result.innerHTML = "Submitted ✔";
nameElement.value = "";
emailElement.value = "";
dateElement.value = getLocalDate();
}
// Validates form input with regex's
function validate() {
const name = nameElement.value;
const email = emailElement.value;
const date = dateElement.value;
if (!name || !email || !date) {
showError("A field cannot be empty!");
}
else if (!nameRegex.test(name)) {
showError("Name is not in the correct format!");
}
else if (!emailRegex.test(email)) {
showError("Email is not in the correct format!");
}
else if (!dateRegex.test(date)) {
showError("Date is not in the correct format!");
} else {
showConfirmation();
}
}
dateElement.value = getLocalDate();