forked from M3-Academy/practice-time-shopping-list
67 lines
2.0 KiB
JavaScript
67 lines
2.0 KiB
JavaScript
document.addEventListener('DOMContentLoaded', function () {
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const list = []
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const form = document.querySelector('.shopping-form');
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const itemInput = document.querySelector('.shopping-form-item-input')
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const quantifyInput = document.querySelector('.shopping-form-quantity-input');
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const incrementButton = document.querySelector('.shopping-form-increment-button');
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const decrementButton = document.querySelector('.shopping-form-decrement-button');
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const items = document.querySelector('.shopping-items');
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incrementButton.addEventListener("click", incrementQuantity);
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decrementButton.addEventListener("click", decrementQuantity);
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form.addEventListener("submit", addItemToList);
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function incrementQuantity() {
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const currentValue = Number(quantifyInput.value);
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const newValue = currentValue + 1;
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quantifyInput.value = newValue;
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}
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function decrementQuantity() {
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const currentValue = Number(quantifyInput.value);
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const newValue = currentValue - 1;
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if (newValue > 0) {
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quantifyInput.value = newValue;
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}
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}
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function addItemToList(event) {
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event.preventDefault();
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const itemName = event.target["item-name"].value;
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const itemQuantify = event.target["item-quantity"].value
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if (itemName !== "") {
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const item = {
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name: itemName,
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quantity: itemQuantify
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}
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list.push(item);
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renderListItems();
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resetInputs();
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}
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}
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function renderListItems() {
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let itemsStructure = "";
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list.forEach(function (item) {
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itemsStructure += `
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<li class="shopping-item">
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<span>${item.name}</span>
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<span>${item.quantity}</span>
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</li>
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`
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});
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items.innerHTML = itemsStructure;
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}
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function resetInputs() {
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itemInput.value = "";
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quantifyInput.value = 1;
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}
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}) |