JavaScript-Tutorial/Example/Variable/Variable3.html at main · Pankaj-Str/JavaScript-Tutorial · GitHub

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<!DOCTYPE html>
<html lang="en">
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script>
        number = 90
        console.log(number)
        number = 900
        console.log(number)
        //  constant variable.
        const num = 450;
        console.log(num)
        num = 900
    </script>