Calculadora usando HTML, CSS e Javascript.
const display = document.querySelector("#display");
const buttons = document.querySelectorAll("button");
buttons.forEach((item) => {
item.onclick = () => {
if (item.id == "clear") {
display.innerText = "";
} else if (item.id == "backspace") {
let string = display.innerText.toString();
display.innerText = string.substr(0, string.length - 1);
} else if (display.innerText != "" && item.id == "equal") {
display.innerText = eval(display.innerText);
} else if (display.innerText == "" && item.id == "equal") {
display.innerText = "Empty!";
setTimeout(() => (display.innerText = ""), 2000);
} else {
display.innerText += item.id;
}
};
});
const themeToggleBtn = document.querySelector(".theme-toggler");
const calculator = document.querySelector(".calculator");
const toggleIcon = document.querySelector(".toggler-icon");
let isDark = true;
themeToggleBtn.onclick = () => {
calculator.classList.toggle("dark");
themeToggleBtn.classList.toggle("active");
isDark = !isDark;
};