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new file: INFO-1272 (JS 1)/Labs/Lab 5/Lab 5.pdf

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new file:   INFO-1272 (JS 1)/Labs/Lab 5/Levi_Lab5.html
	new file:   INFO-1272 (JS 1)/Labs/Lab 5/Levi_Lab5.zip
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2025-11-02 11:56:11 -05:00
parent 6746995f55
commit 4bdef9e16a
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<!DOCTYPE html>
<html>
<head>
<title>Lab 5</title>
<meta charset="utf-8" lang="en">
</head>
<body>
<h1>Lab 5</h1>
<script>
// Get number of students in class
var numStudents = parseInt(window.prompt("How many students are in the class?"));
var studentNames = [];
var studentGrades = [];
// Run grade analytics once so theres something to display
gradeAnalyzer();
calculateAverage(studentGrades);
findMinMax(studentGrades);
// Ask user if they want to review the results
do {
displayResults();
var viewAgain = window.confirm("Would you like to view the results again?");
} while (viewAgain);
// Thank user and end loop
alert("Thank you for using the Grade Analyzer!");
// Function Definitions from here on
// Gets names, grades and inserts into respective arrays
function gradeAnalyzer() {
for (var i = 0; i <= numStudents - 1; i++) {
var studentName = window.prompt("Enter students name:");
var studentGrade = parseFloat(window.prompt("Enter student grade:"));
if (studentGrade > 0 && studentGrade <= 100) {
studentNames.push(studentName);
studentGrades.push(studentGrade);
} else {
alert("Invalid grade entered, skipping entry");
}
console.log("Student " + (i + 1) + ": " + studentName + " - Grade: " + studentGrade);
}
}
// Calculates the average of a given array
function calculateAverage(arr) {
var totalGrades = 0;
for (var i = 0; i < arr.length; i++) {
totalGrades += arr[i];
}
var average = totalGrades / arr.length;
console.log("Class average: " + average.toFixed(2));
}
// Finds the minimum and maximum value of an array by looping through it
function findMinMax(arr) {
if (arr.length === 0) {
return
}
var min = arr[0];
var max = arr[0];
for (var i = 1; i < arr.length; i++) {
var grade = arr[i];
if (grade < min) {
min = grade;
}
if (grade > max) {
max = grade;
}
}
console.log("Min: " + min + " Max: " + max);
}
// Helper function to display results cleanly
function displayResults() {
console.clear();
console.log("Student List:");
for (var i = 0; i < studentNames.length; i++) {
console.log("Student " + i + ": " + studentNames[i] + " Grade: " + studentGrades[i]);
}
calculateAverage(studentGrades);
findMinMax(studentGrades);
}
</script>
</body>
</html>

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