functionsayHello(name,age){console.log('HEllo'+ name +"you have"+ age +"years old");};sayHello{"boo",17}; // Hello boo you have 17 years oldfunctionsayHello(name,age){return(`HEllo ${name} you are ${age} years old`);// return -> ๋ฐํํด์ค };constgreetBoo=sayHello("Boo","17") console.log(greetBoo);// Hello boo you have 17 years oldconstcalculator= {plus:function (a, b)[returna + b; }}constcalculator.plus(5,5)console.log(plus) // 10