javascript-demo/HelloWorld.html at master · SaiSriRohit143/javascript-demo · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>JS embeeded in HTML</title>
</head>
<body>
    <h1 style="color: brown ;">java script intoduction</h1>
    <hr>

<script>
    <!-- //javascript code here
    //javascript is case sensitive -->


    document.writeln("Hello world from javascript");
    document.writeln("This is a new line");
    document.writeln("<h2> hello world again from javascript</h2>");

    //js code to add 2 nos
    var num1,num2,sum;

    //prompt - used to take input from user at runtime
    name = prompt("enter your name: ");
    num1 = parseInt(prompt("enter your first number : "));
    num2 = parseInt(prompt("enter your second number : "));

    sum=num1+num2;

    //prints value in console

    console.log(sum);
    console.log(name);

    document.write("<br>"+ "hello"+name+"<br>");
    document.writeln("the addition of 2 number is : "+sum);

    alert("thank you js "+ name);
    alert(100+300);
</script>
</body>
</html>