My-Codewars-Solutions/codewarsChallenge61.html at main · ub-victor/My-Codewars-Solutions · 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>Callback Functions</title>
</head>
<body>
    <body style="text-align: right">

        <h1>JavaScript Functions</h1>
        <h2>Callback Functions</h2>
        <p id="demo"></p>

        <script>
        // Create an Array
        const myNumbers = [4, 1, -20, -7, 5, 9, -6];

        // Call removeNeg with a Callback
        const posNumbers = removeNeg(myNumbers, (x) => x >= 0);

        // Display Result
        document.getElementById("demo").innerHTML = posNumbers;

        // Remove negative numbers
        function removeNeg(numbers, callback) {
          const myArray = [];
          for (const x of numbers) {
            if (callback(x)) {
              myArray.push(x);
            }
          }
          return myArray;
        }
        </script>
    </script>
</body>
</html>