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Define a JavaScript function named activityScore with one parameter. Assume the function will be called with...

Define a JavaScript function named activityScore with one parameter. Assume the function will be called with an array of Numbers. Define the function so that it creates an Object. This object should have a key equal to "score", and its paired value should be set to the sum of the array’s entries. Return the JSON blob encoding the Object.

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Answer #1

Activityscores.html:

<!DOCTYPE html>

<html lang="en">

<head>

    <meta charset="UTF-8">

    <meta name="viewport" content="width=device-width, initial-scale=1.0">

    <meta http-equiv="X-UA-Compatible" content="ie=edge">

    <!-- title for web page -->

    <title>Activity Scores</title>

</head>

<body>

    <!-- script is used for javascript -->

    <script>

    //function activityScore with one parameter numbers

    //here numbers is an array

    //this function will sum all the array elements and

    //return the JSON object

    function activityScore(numbers){

        var total=0;//variable used to store total of all array elements

        //using for loop to add each variable from the array numbers

        for(var k=0;k<numbers.length;k++)

        {

            //adding element from the array numbers to the variable total

            total+=numbers[k];

        }

        //creating object with key score and value is total

        var object='{"score":'+total+'}';

        //returning object as JSON

        return JSON.parse(object);

    }

    //call function activityScore() and print the sum of array elements

    console.log("activityScore( [ 25, 30, 32 ]):"+activityScore([25,30,32]).score);

   

    </script>

</body>

</html>

=========================

Output :

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