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In: Computer Science

[JAVA SCRIPT] Please create an array of student names and another array of student grades. Create...

[JAVA SCRIPT]

Please create an array of student names and another array of student grades.

Create a function that can put a name and a grade to the arrays.

Keep Read student name and grade until student name is “???”. And save the reading by using a function

Create another function to show all the grade in that object.

Create the third function that can display the maximum grade and the student’s name.

Create a sorting function that can sort the arrays based on the student’s grade.

Display all the grades and names sorted by the grade.

Solutions

Expert Solution

Screenshot of the code:

Code to copy:

<!DOCTYPE html>

<html>

<body>

<script>

// Define the addToArray() function

function addToArray(name, grade, student_name, student_grade)

{

// Add the name to the student_name

student_name.push(name);

// Add the grade to the student_grade

student_grade.push(grade);

}

// Define the displayArr() function

function displayArr(student_name, student_grade, counter)

{

// Declare a variable

var x;

for(x =0; x < counter; x++)

{

// Display the student name and corresponding grade

document.writeln("Student Name: " + student_name[x] + " Grade: " + student_grade[x] + "<br/>");

}

}

// Define the findMaximum() function

function findMaximum(student_name, student_grade, counter)

{

// Assign the first value of the student_grade array

var max_value = student_grade[0];

// Initialize a variable to zero

var max_index = 0;

// Declare a variable

var x;

for(x = 1; x < counter; x++)

{

// Check if the value at index x is greater than

// the value at max_value

if(student_grade[x] > max_value)

{

// Assign the value to max_value

max_value = student_grade[x]

// Assign the value of index to max_index

max_index = x;

}

}

// Display the maximum grade and student's name

document.writeln("Maximum Grade: " + max_value + " Student Name: " + student_name[max_index] + "<br/>");

}

// Define the sortGrade() function

function sortGrade(student_name, student_grade, counter)

{

// Declare the necessary variables

var i, j;

for(i = 0; i < counter; i++)

{

for(j = 0; j < counter - i; j++)

{

// Check if grade at index j is greater than

// the grade at index j+1

if(student_grade[j] > student_grade[j+1])

{

// Swap the elements in the student_grade[] array

var temp_grade = student_grade[j];

student_grade[j] = student_grade[j+1];

student_grade[j+1] = temp_grade;

// Swap the elements in the student_name[] array

var temp_name = student_name[j];

student_name[j] = student_name[j+1];

student_name[j+1] = temp_name;

}

}

}

}

// Declare two arrays

var student_name = [];

var student_grade = [];

// Initialize a counter variable to zero

var counter = 0;

do

{

// Prompt user to enter the name

var name = prompt("Enter the name: ");

// Check if the value in name variable is '???'

if(name == '???')

{

break;

}

// Prompt user to enter the grade

var grade = parseFloat(prompt("Enter the grade: "));

// Call the addToArray() function

addToArray(name, grade, student_name, student_grade);

// Increment the

counter++;

}while(name != '???')

// Call the displayArr() function to display the array

displayArr(student_name, student_grade, counter);

// Call the findMaximum() function to display the

// maximum grade

findMaximum(student_name, student_grade, counter);

// Call the sortGrade() function to sort the array by

// grades

sortGrade(student_name, student_grade, counter);

// Call the displayArr() function to display the array

// after sorting by grades

displayArr(student_name, student_grade, counter);

</script>

</body>

</html>

Sample output:

venereology answered 8 months ago
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