JsArray1.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Array</title>
</head>
<body>
    
    <script>

    let numbers = [1, 2, 3, 4, 5];

    for (let i = 0; i < numbers.length; i++) 
    {
        console.log(numbers[i]);
    }


    let colors = ['Röd', 'Blå', 'Grön', 'Gul', 'Lila'];

    for (let color of colors) 
    {
        console.log(color);
    }


    function sumArray(arr) 
    {
        let sum = 0;
        for (let i = 0; i < arr.length; i++) 
        {
            sum += arr[i];
        }
        return sum;
    }

    let numbers2 = [5, 2, 1, 9, 88];
    let sum = sumArray(numbers2);
    console.log("Summan av alla talen är: " + sum);


    function multiplyArrayByTwo(arr) 
    {
    let multipliedArray = [];
    for (let i = 0; i < arr.length; i++) 
    {
        multipliedArray.push(arr[i] * 2);
    }
    return multipliedArray;
    }

    let numbers3 = [6, 72, 4, 1, 7];
    let multipliedNumbers = multiplyArrayByTwo(numbers3);
    console.log("Ursprungliga talen: " + numbers3);
    console.log("Talen multiplicerade med 2: " + multipliedNumbers);

    </script>
    
</body>
</html>