javascript-dasar/52.closure.html at master · adiprrassetyo/javascript-dasar · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Closure</title>
</head>
<body>
<script>

    function createAdder(value){
        const owner = "Eko";

        function add(param){
            console.info(owner);
            return value + param;
        }

        return add;
    }

    const addTwo = createAdder(2);
    // function addTwo(param){
    //     console.info("Eko");
    //     return 2 + param;
    // }
    console.info(addTwo(10));
    console.info(addTwo(20));


    const addTen = createAdder(10);
    // function addTwo(param){
    //     console.info("Eko");
    //     return 10 + param;
    // }
    console.info(addTen(10));
    console.info(addTen(20));

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