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main.js
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main.js
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const firstAngle = document.querySelector(".first");
const secondAngle = document.querySelector(".second");
const thirdAngle = document.querySelector(".third");
const triangleResultDiv = document.querySelector(".triangle-result");
const a = document.querySelector(".a");
const b = document.querySelector(".b");
const hypoResultDiv = document.querySelector(".hypo-result");
const generateAngleBtn = document.querySelector(".generate-angle");
const firstAngleDiv = document.querySelector(".first-angle");
const secondAngleDiv = document.querySelector(".second-angle");
const thirdAngleInput = document.querySelector(".third-angle");
const angleResultDiv = document.querySelector(".angle-result");
const base = document.querySelector(".base");
const height = document.querySelector(".height");
const areaDiv = document.querySelector(".area");
let sum = 0,
a_length,
b_length,
hypo_length = 0,
correctAngle,
thirdAngleGuess,
area;
const formOne = document.querySelector("#one");
const formTwo = document.querySelector("#two");
const formThree = document.querySelector("#three");
const formFour = document.querySelector("#four");
const formFive = document.querySelector("#five");
const quizScore = document.querySelector(".quiz-score");
const quizDiv = document.querySelectorAll(".quiz-wrapper");
formOne.addEventListener("submit", (e) => {
e.preventDefault();
sum =
Number(firstAngle.value) +
Number(secondAngle.value) +
Number(thirdAngle.value);
if (sum === 180) {
triangleResultDiv.innerText = "Yay, it forms a triangle :)";
} else {
triangleResultDiv.innerText = "OOPS, it does not form a triangle :(";
}
});
formTwo.addEventListener("submit", (e) => {
e.preventDefault();
a_length = a.value;
b_length = b.value;
hypo_length = Math.sqrt(a_length * a_length + b_length * b_length);
hypoResultDiv.innerText = `The length of the hypotenuse is ${hypo_length} units.`;
});
generateAngleBtn.addEventListener("click", () => {
angle1 = Math.trunc(Math.random() * (180 - 0)) + 0;
angle2 = Math.trunc(Math.random() * (180 - 0)) + 0;
while (1) {
if (angle1 + angle2 >= 180) {
if (angle1 > angle2) {
angle1 = Math.trunc(Math.random() * (180 - 0)) + 0;
} else {
angle2 = Math.trunc(Math.random() * (180 - 0)) + 0;
}
} else {
break;
}
}
thirdAngleInput.value = "";
firstAngleDiv.innerText = angle1;
secondAngleDiv.innerText = angle2;
});
formThree.addEventListener("submit", (e) => {
e.preventDefault();
thirdAngleGuess = Number(thirdAngleInput.value);
correctAngle =
180 - Number(firstAngleDiv.innerText) - Number(secondAngleDiv.innerText);
if (correctAngle === 180) {
angleResultDiv.innerText = "Generate angles to proceed.";
} else {
if (thirdAngleGuess === correctAngle) {
angleResultDiv.innerText = "Correct guess :)";
} else {
angleResultDiv.innerText = "Incorrect guess :(";
}
}
});
formFour.addEventListener("submit", (e) => {
e.preventDefault();
area = base.value * height.value * 0.5;
areaDiv.innerText = `The area of the triangle is ${area} units.`;
});
const correctAns = [
"3",
"Obtuse",
"20units",
"True",
"0",
"Acute",
"Isosceles",
"75°",
"Equilateral",
"No",
];
formFive.addEventListener("submit", (e) => {
e.preventDefault();
let index = 0,
score = 0;
const formResult = new FormData(formFive);
for (let [, value] of formResult) {
if (value === correctAns[index]) {
score += 1;
quizDiv[index].style.border = "0.13rem solid rgb(36, 160, 36)";
} else {
quizDiv[index].style.border = "0.13rem solid red";
}
index += 1;
}
quizScore.innerText = `Score: ${score}/10`;
});