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script.js
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script.js
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const numCoursesInput = document.getElementById("numCourses");
const coursesDiv = document.getElementById("courses");
const nextButton = document.getElementById("nextButton");
const resetButton = document.getElementById("resetButton");
nextButton.addEventListener("click", nextB);
function nextB() {
const n = parseInt(numCoursesInput.value);
if (n > 0) {
let coursesHtml = "";
for (let i = 1; i <= n; i++) {
coursesHtml += `<label for="credit${i}">Enter the credit points of course ${i}:</label>`;
coursesHtml += `<input type="number" id="credit${i}" min="0" step="0.5">`;
coursesHtml += `<label for="grade${i}">Enter the expected grade of course ${i}:</label>`;
coursesHtml += `<select id="grade${i}">`;
coursesHtml += `<option value="10">A</option>`;
coursesHtml += `<option value="9">A-</option>`;
coursesHtml += `<option value="8">B</option>`;
coursesHtml += `<option value="7">B-</option>`;
coursesHtml += `<option value="6">C</option>`;
coursesHtml += `<option value="5">C-</option>`;
coursesHtml += `<option value="4">D</option>`;
coursesHtml += `</select><br>`;
if (i !== n) {
// Add <hr> except for the last iteration
coursesHtml += `<hr /><br>`;
}
}
nextButton.innerText = "Calculate";
coursesDiv.innerHTML = coursesHtml;
nextButton.removeEventListener("click", nextB);
nextButton.addEventListener("click", calB);
if (n > 3) {
document.body.style.height = "100%";
} else {
document.body.style.height = "100vh";
}
}
}
function calB() {
const n = parseInt(numCoursesInput.value);
const credit = new Array(n);
const grade = new Array(n);
let sum = 0;
let sum1 = 0;
for (let i = 0; i < n; i++) {
credit[i] = parseFloat(document.getElementById(`credit${i + 1}`).value);
grade[i] = parseFloat(document.getElementById(`grade${i + 1}`).value);
sum += credit[i] * grade[i];
sum1 += credit[i];
}
const sgpa = (sum / sum1).toFixed(3);
coursesDiv.innerHTML = `<p class="sgpa-text">Expected SGPA: ${sgpa}</p>`;
nextButton.innerText = "Next";
nextButton.removeEventListener("click", calB);
document.body.style.height = "100vh";
nextButton.addEventListener("click", nextB);
}
resetButton.addEventListener("click", function () {
numCoursesInput.value = "";
coursesDiv.innerHTML = "";
nextButton.innerText = "Next";
nextButton.addEventListener("click", nextB);
document.body.style.height = "100vh";
});
numCoursesInput.addEventListener("keydown", function (event) {
if (event.key === "Enter") {
event.preventDefault();
nextB();
}
});