KLagdani

setInterval(() => {
  var mySaiyan = document.getElementById("saiyan");
 if (typeof(mySaiyan) != 'undefined' && mySaiyan != null) {
   //Do some heavy load actions
   console.log("My saiyan exists!");
 }
}, 1000);

KLagdani

const attackWarning = " is attacking you!";
 
function attack(attacker) {
 const attackResult = "You dead man";
 console.log(attacker + attackWarning );
 console.log(attackResult);
}
 
attack("Goku");

KLagdani

function getAttackName() {
 return "Kamehameha";
}
 
function attack(attacker) {
 var attackName = getAttackName();
 console.log(attacker + " throws " + attackName);
}
 
attack("Goku");

KLagdani

function attack(attacker) {
 function getAttackName() {
   return "Kamehameha";
 }
 var attackName = getAttackName();
 console.log(attacker + " throws " + attackName);
}
 
attack("Goku");