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script.js
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script.js
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function multiplyNode(node, count) {
for (let i = 0; i < count - 1; i++) {
const copy = node.cloneNode(true);
node.parentNode.insertBefore(copy, node);
}
}
multiplyNode(document.querySelector('.box'), window.innerHeight);
if (window.innerWidth < 750) {
for (const item of document.getElementsByClassName("mobile-disabled")) {
item.style.color = '#232323';
item.style.backgroundColor = '#232323';
}
}
let showInterestCard = true;
let showHistoryCard = true;
let isOpen = false;
const showInterest = () => {
showInterestCard = !showInterestCard;
document.getElementById("interest").style.left = showInterestCard ? '42%' : '10%';
}
const showHistory = () => {
showHistoryCard = !showHistoryCard;
document.getElementById("history-card").style.left = showHistoryCard ? '42%' : '72%';
}
const clearAll = () => {
return document.getElementById('result').value = "";
}
const display = (value, parentesis = false) => {
if (parentesis) {
isOpen = !isOpen;
}
return document.getElementById('result').value += value;
}
const calculateInterest = () => {
const c = document.getElementById('c').value;
const i = document.getElementById('i').value / 100;
const t = document.getElementById('t').value;
const result = c * Math.pow((1 + i), t);
document.getElementById('interest-result').value = result.toFixed(2);
}
const calculate = () => {
const history = document.getElementById('history-inner');
const expression = document.getElementById('result').value;
if (expression === "") {
return;
}
let result = document.getElementById('result').value = eval(document.getElementById('result').value);
let item = document.createElement('p');
let text = document.createTextNode(`${expression} = ${result}`);
item.appendChild(text);
history.appendChild(item);
}
document.addEventListener("keypress", function(event) {
if (event.key === 'Enter') {
calculate();
} else if(event.DOM_KEY_LOCATION_NUMPAD) {
document.getElementById('result').focus();
}
});