JAVASCRIPT

log javascript

console.log(variable)

what is log method in javascript

var str = "Howdy GeeksforGeeks"
var geek = {
  book: "harrypotter",
  price: "2000"
};
var geek2 = [10, 20, 30];
console.log(str);
console.dir(str);
console.dir(geek);
console.log("geek (log) = ", geek);
console.dir(geek2);
console.log("geek2 (log) = ", geek2);

// Prints only string as dir() takes 
// only one parameter. 
console.dir("geek2 (dir) = ", geek2);

Login js

const formlog = document.getElementById("login-form");
const BtnLog = document.getElementById("login-form-submit");
const ErrorMessage = document.getElementById("login-error-msg");
BtnLog.addEventListener("click", (e) => {
e.preventDefault();
const username = formlog.username.value;
const password = formlog.password.value;
if (username === "admin" && password === "itsourcecode") { alert("You have successfully logged in."); location.reload(); } else { ErrorMessage.style.opacity = 1; }
})

javaScript Math.log() Method

Math.log(1);