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/* * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license * Click nbfs://nbhost/SystemFileSystem/Templates/JSP_Servlet/JavaScript.js to edit this template */ let error = document.getElementById("Login_error"); // let btn = document.getElementById("Login_btn"); let close = document.getElementById("close"); let form = document.getElementById("form_login"); close.addEventListener("click", () => { error.classList.remove("error_show"); }); form.addEventListener("submit", function (event) { let msg = ""; let error_msg = document.getElementById("error_msg"); let username = document.getElementById("username").value; let password = document.getElementById("password").value; let valid = true; if (username === "" || username === null) { msg += "username is empty, "; // error.classList.add("error_show"); valid = false; } else if (username.length > 32) { msg += "username is too long, "; // error.classList.add("error_show"); valid = false; } // if (password.length < 8) { // msg += "password must be more than 8 characters, "; // console.log(password.length); // valid = false; // } if (valid == false) { error.classList.add("error_show"); error_msg.innerHTML = msg.substring(0, msg.length - 2); event.preventDefault(); } });
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