JS with Google Chrome Console

 
<!DOCTYPE html>
<html lang="en">
<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>JavaScript</title>
    <script>
        var x = 50; 
        console.log(x);

        console.log([1,2,3]);

        console.table([1, 2, 3]);

        console.error("Something went wrong."); 

        console.time("Test");
        console.warn("This is just warning");
        console.timeEnd("Test");
        //console.clear();
    </script>
</head>
<body>
    <h1 id="main">Yahoo Baba</h1>
</body>
</html>