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app.js
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app.js
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console.log('Notes App')
showNotes();
// Adding notes to localStorage //
let addBtn = document.getElementById('addBtn');
addBtn.addEventListener('click', function (e) {
let addTxt = document.getElementById('addTxt');
let addTitle = document.getElementById('addTitle');
let notes = localStorage.getItem('notes');
if (notes == null) {
notesObj = [];
}
else {
notesObj = JSON.parse(notes);
}
let myObj = {
title: addTitle.value,
text: addTxt.value
};
notesObj.push(myObj);
localStorage.setItem('notes', JSON.stringify(notesObj));
addTxt.value = "";
addTitle.value = "";
console.log(notesObj);
showNotes();
});
// Function to show elements from localStorage //
function showNotes() {
let notes = localStorage.getItem('notes');
if (notes == null) {
notesObj = [];
}
else {
notesObj = JSON.parse(notes);
}
let html = '';
notesObj.forEach(function (element, index) {
html +=
`<div class="noteCard my-2 mx-3 card" style="width: 17.5rem;">
<div class="card-body">
<h5 class="card-title">${element.title}</h5>
<p class="card-text">${element.text} </p>
<button id='${index}' onclick='deleteNote(this.id)' class="btn btn-danger">Delete</button>
</div>
</div>`
});
let notesElm = document.getElementById('notes');
if (notesObj.length != 0) {
notesElm.innerHTML = html;
}
else {
notesElm.innerHTML = `Nothing to show! Use 'Add a Note' section above to Add Notes`;
}
}
// Function to delete a Note //
function deleteNote(index) {
console.log('I am deleting', index)
let notes = localStorage.getItem('notes');
if (notes == null) {
notesObj = [];
}
else {
notesObj = JSON.parse(notes);
}
notesObj.splice(index, 1)
localStorage.setItem('notes', JSON.stringify(notesObj));
showNotes();
}
// Search Features //
let search = document.getElementById('searchTxt');
search.addEventListener('input', function () {
let inputVal = search.value.toLowerCase().trim();
console.log('Input event fired!', inputVal);
let noteCards = document.getElementsByClassName('noteCard');
Array.from(noteCards).forEach(function (element) {
let cardTxt = element.getElementsByTagName('p')[0].innerText;
if (cardTxt.includes(inputVal)) {
element.style.display = 'block';
}
else {
element.style.display = 'none';
}
});
})
// Function to delete a Note with confirmation //
function deleteNote(index) {
let confirmation = confirm('Are you sure you want to delete this note?');
if (confirmation) {
let notes = localStorage.getItem('notes');
if (notes == null) {
notesObj = [];
} else {
notesObj = JSON.parse(notes);
}
notesObj.splice(index, 1);
localStorage.setItem('notes', JSON.stringify(notesObj));
showNotes();
}
}
/*
Further Features to add in Future:
1. Mark a note as Important
2. Separate notes by user
*/