js1.html

<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <meta name="viewport"content="width=device-width,initial-scale=1.0">
        <meta http-equiv="X-UA-Compatible"content="ie-edge">
        <title>Developer tools</title>
        
    </body>
    <h1>
        this is heading
    </h1>
    <script>
            var num1=2
            var num2=8
            console.log(num2)
            console.log("the sum of num1 and num2="+(num1+num2))
                console.log("the difference of num1 and num2="+(num1-num2))
                console.log("the product of num1 and num2="+(num1*num2))
                console.log("the increment value of num1="+(++num1))
            var y=new String("this")
            console.log(y)
            var n='saumya'
            var s='watch'
            var temp=`${n} has a ${s}`
            console.log(temp)
            console.log(s.length)
            document.getElementById('content').innerHTML = '<h3>this is a must heading </h3>'
            </script>
        <div id="content">Lorem, ipsum dolor sit amet consectetur 
            adipisicing elit. Dolorem in eaque, odio maxime earum similique magnam asperiores sunt culpa molestias officiis consequuntur, minima nostrum quaerat? Fuga, nemo? Repellendus, amet neque.</div>
                <body>
    </head>