2024-Tsubasa/system/js/operator.html at 8ffa769b506d8a64168067ed46e2d79ecc80101a

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2024-Tsubasa / system / js / operator.html

tsubasa on 30 Jul 2024 622 bytes add: javascript: class, operator, regex, throw file

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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>operator</title>
</head>

<body>
    <p>operator</p>
    <script>
        // -- instanceof -------------------------------------------------

        class Parent { }

        class Child extends Parent { }

        const childInstance = new Child();

        console.log(childInstance instanceof Child); // true
        console.log(childInstance instanceof Parent); // true
        console.log(childInstance instanceof Object); // true

    </script>
</body>

</html>