Javascript_course/05-variables.html at main · CesarDevtools/Javascript_course · 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>Variables</title>
</head>
<body>


    <script>

        let variable1 = 3;
        console.log(variable1);


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


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

        let message = "Hello, World!";
        console.log(message);

        // Reassigning variable1
        // This will overwrite the previous value of variable1

        variable1 = 5;
        console.log(variable1);

        variable1 = variable1 + 1;
        console.log(variable1);

        // const cant be reassigned
        const variable2 = 3;

        // another way to declare a variable
        var variable3 = 4;

        // typeof shows the type of the variable
        console.log(typeof variable1); // number
        console.log(typeof message); // string
    </script>
</body>
</html>