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script.js
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script.js
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const form = document.querySelector('#my-form');
const ul = document.querySelector('#list');
const div = document.createElement('div');
div.className = 'd-grid gap-2 d-md-flex justify-content-md-end';
const editBtn = document.createElement('button');
editBtn.setAttribute('type', 'button');
editBtn.className = 'btn btn-warning';
editBtn.appendChild(document.createTextNode('Edit'));
const deleteBtn = document.createElement('button');
deleteBtn.setAttribute('type', 'button');
deleteBtn.className = 'btn btn-danger';
deleteBtn.appendChild(document.createTextNode('Delete'));
const alertSection = document.querySelector('#alert-section');
const alertmsg = document.createElement('div');
alertmsg.setAttribute('role', 'alert');
alertmsg.className = 'alert';
alertSection.appendChild(alertmsg);
let key = 0;
form.addEventListener('submit', storeData);
function storeData(e) {
e.preventDefault();
const amount = document.querySelector('#expenseAmount').value;
const description = document.querySelector('#description').value;
const category = document.querySelector('#category').value;
const expense = { amount, category, description };
if (amount === '' || category === null) {
makeAlert('Enter all specified field!', 'alert alert-danger');
} else {
localStorage.setItem(++key, JSON.stringify(expense));
addToList(expense);
form.reset();
makeAlert('Data stored successfully!', 'alert alert-success');
}
}
function addToList(expense) {
document.querySelector('#list-section').className = 'container col-8 my-5'; // visible the list
const li = document.createElement('li');
li.className = 'list-group-item';
const text = document.createTextNode(
`Rs: ${expense.amount} - ${expense.category} - ${expense.description}`
);
div.appendChild(editBtn);
div.appendChild(deleteBtn);
li.appendChild(text);
li.appendChild(div);
ul.appendChild(li);
editBtn.onclick = () => {
document.querySelector('#expenseAmount').value = expense.amount;
document.querySelector('#description').value = expense.description;
document.querySelector('#category').value = expense.category;
localStorage.removeItem(key);
ul.removeChild(li);
if (!ul.firstElementChild) {
document.querySelector('#list-section').className = 'invisible';
}
};
deleteBtn.onclick = () => {
localStorage.removeItem(key);
ul.removeChild(li);
makeAlert('Data removed successfully!', 'alert alert-success');
if (!ul.firstElementChild) {
document.querySelector('#list-section').className = 'invisible';
}
};
}
function makeAlert(msg, alertType) {
alertmsg.className = alertType;
alertmsg.textContent = msg;
setTimeout(() => {
alertmsg.className = 'alert';
alertmsg.textContent = '';
}, 3000);
}