Day19Destruturing.html

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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>DAY 19</title>
</head>
<body>
    <script>
        let des=['ponmani','venkatesan','software engineer']
        let [firstname,lastname,profile]=des;//destructuring
        console.log(firstname);
        let [fname,lname]='ponmani venkatesan'.split(' ');
        console.log(lname);//venkatesan

        let strat=['hello','come','lets','play']
        let [hey, ,ok]=strat;
        console.log(ok);//skips second word
        let[mars,...rest]=strat;
        console.log(rest[0]);//come
        console.log(rest[1]);//lets
        console.log(rest[2]);//play

        //object destruturing
        let job = {
            position:"frontend",
            salary:"20k",
            locations:'chennai'
        }

        let {position,salary,locations}=job;
        console.log(position);//frontend
        console.log(locations);//chennai
        
        let mahabrath={
            first:"arjunan",
            second:'krishna',
            third:'karnan'
        }
        function truth({first,second="ponmani",third}){
            console.log("inside funtion",second);// krishna overrides ponmani, if value for second not found
                                                 // then it take ponmani
        }
        truth(mahabrath);
    
    </script>
</body>
</html>