JavaScript_Review/variables.html at main · StoneBelle/JavaScript_Review · GitHub

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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Variables</title>
</head>

<body>


    <!-- html tag 'script' is where you place your JavaScript code-->
    <script>
        // let creates a varaible called var1 which store the value 3
        let var1 = 3;

        // writes a message to the console
        console.log(var1);

        let calculation = 2 + 2
        console.log(calculation);

        // You can use a variable wherever you can use a value
        console.log(calculation + 2);

        let result = calculation + 2;
        console.log(result);

        // semi-colon represents "end of instruction"
        // similar to a "." at the end of a sentence
        let var2 = 'hello';
        console.log(var2); console.log("good bye");

        // reassigning a value to a variable
        var1 = 5;
        console.log(var1);

        // increase the value of a variable
        var1 = var1 + 1;
        console.log(var1)

    </script>
</body>
</html>