Function.js

// function:
    // funtion are reusable block of code designed to perform specific task
    // there are mainly two types
        // 1.build in function:
            // function are provided by js itself which are called as a built in function eg. 
            // let num = parseInt('1000')
            // console.log(num)
            // console.log(typeof(num))
            // console.log(Date.now());
        // 2.user defined function:
            // which function are developed by user to perform specific task those function are called as a user definde function
        // syntax
        // 1.non parametrized function

        function greet () {
            return `Hey there!`
            console.log(`Hello there!`)
         
        }
        let result = greet()
        // console.log(result)

        // 2.parameterized function
        function greet1 (name) {
            return `hey ${name}`
        }
        // console.log(greet1("Alex"))