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Notes_App.html
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<!DOCTYPE html>
<html>
<head>
<title>Notes App</title>
<style>
* {
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
body {
background: #f5f6fa;
padding: 20px;
min-height: 100vh;
}
.container {
max-width: 1200px;
margin: 0 auto;
}
.header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 20px;
padding: 20px;
background: white;
border-radius: 10px;
box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.add-note-btn {
background: #4CAF50;
color: white;
border: none;
padding: 10px 20px;
border-radius: 5px;
cursor: pointer;
font-size: 1rem;
transition: background 0.3s;
}
.add-note-btn:hover {
background: #45a049;
}
.notes-grid {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
gap: 20px;
padding: 20px 0;
}
.note {
background: white;
border-radius: 10px;
padding: 20px;
position: relative;
box-shadow: 0 2px 5px rgba(0,0,0,0.1);
transition: transform 0.3s, box-shadow 0.3s;
}
.note:hover {
transform: translateY(-5px);
box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}
.note-title {
font-size: 1.2rem;
margin-bottom: 10px;
padding: 5px;
border: none;
width: 100%;
border-bottom: 2px solid transparent;
}
.note-title:focus {
outline: none;
border-bottom: 2px solid #4CAF50;
}
.note-content {
width: 100%;
min-height: 150px;
padding: 5px;
border: none;
resize: vertical;
margin-bottom: 30px;
}
.note-content:focus {
outline: none;
}
.note-actions {
position: absolute;
bottom: 20px;
right: 20px;
display: flex;
gap: 10px;
}
.save-btn, .delete-btn {
padding: 5px 10px;
border: none;
border-radius: 3px;
cursor: pointer;
font-size: 0.9rem;
transition: opacity 0.3s;
}
.save-btn {
background: #4CAF50;
color: white;
}
.delete-btn {
background: #f44336;
color: white;
}
.save-btn:hover, .delete-btn:hover {
opacity: 0.9;
}
.timestamp {
position: absolute;
bottom: 20px;
left: 20px;
font-size: 0.8rem;
color: #666;
}
.search-box {
padding: 10px;
border: 1px solid #ddd;
border-radius: 5px;
width: 300px;
font-size: 1rem;
}
.search-box:focus {
outline: none;
border-color: #4CAF50;
}
.empty-state {
text-align: center;
padding: 40px;
color: #666;
font-size: 1.2rem;
}
@media (max-width: 600px) {
.header {
flex-direction: column;
gap: 15px;
text-align: center;
}
.search-box {
width: 100%;
}
}
</style>
</head>
<body>
<div class="container">
<div class="header">
<h1>Notes App</h1>
<input type="text" class="search-box" placeholder="Search notes..." id="searchBox">
<button class="add-note-btn" id="addNoteBtn">Add New Note</button>
</div>
<div class="notes-grid" id="notesGrid">
<!-- Notes will be added here dynamically -->
</div>
</div>
<script>
class NotesApp {
constructor() {
this.notes = [];
this.notesGrid = document.getElementById('notesGrid');
this.addNoteBtn = document.getElementById('addNoteBtn');
this.searchBox = document.getElementById('searchBox');
this.loadNotes();
this.addEventListeners();
this.renderNotes();
}
addEventListeners() {
this.addNoteBtn.addEventListener('click', () => this.addNote());
this.searchBox.addEventListener('input', () => this.filterNotes());
}
loadNotes() {
const savedNotes = localStorage.getItem('notes');
this.notes = savedNotes ? JSON.parse(savedNotes) : [];
}
saveNotes() {
localStorage.setItem('notes', JSON.stringify(this.notes));
}
addNote() {
const note = {
id: Date.now(),
title: 'Untitled Note',
content: '',
timestamp: new Date().toLocaleString()
};
this.notes.unshift(note);
this.saveNotes();
this.renderNotes();
}
updateNote(id, title, content) {
const note = this.notes.find(note => note.id === id);
if (note) {
note.title = title;
note.content = content;
note.timestamp = new Date().toLocaleString();
this.saveNotes();
}
}
deleteNote(id) {
this.notes = this.notes.filter(note => note.id !== id);
this.saveNotes();
this.renderNotes();
}
filterNotes() {
const searchTerm = this.searchBox.value.toLowerCase();
const filteredNotes = this.notes.filter(note =>
note.title.toLowerCase().includes(searchTerm) ||
note.content.toLowerCase().includes(searchTerm)
);
this.renderNotes(filteredNotes);
}
createNoteElement(note) {
const noteElement = document.createElement('div');
noteElement.className = 'note';
noteElement.innerHTML = `
<input type="text" class="note-title" value="${note.title}" placeholder="Note title">
<textarea class="note-content" placeholder="Write your note here...">${note.content}</textarea>
<div class="timestamp">${note.timestamp}</div>
<div class="note-actions">
<button class="save-btn">Save</button>
<button class="delete-btn">Delete</button>
</div>
`;
// Add event listeners
const titleInput = noteElement.querySelector('.note-title');
const contentTextarea = noteElement.querySelector('.note-content');
const saveBtn = noteElement.querySelector('.save-btn');
const deleteBtn = noteElement.querySelector('.delete-btn');
let saveTimeout;
const autoSave = () => {
clearTimeout(saveTimeout);
saveTimeout = setTimeout(() => {
this.updateNote(note.id, titleInput.value, contentTextarea.value);
}, 500);
};
titleInput.addEventListener('input', autoSave);
contentTextarea.addEventListener('input', autoSave);
saveBtn.addEventListener('click', () => {
this.updateNote(note.id, titleInput.value, contentTextarea.value);
saveBtn.textContent = 'Saved!';
setTimeout(() => {
saveBtn.textContent = 'Save';
}, 1000);
});
deleteBtn.addEventListener('click', () => {
if (confirm('Are you sure you want to delete this note?')) {
this.deleteNote(note.id);
}
});
return noteElement;
}
renderNotes(notesToRender = this.notes) {
this.notesGrid.innerHTML = '';
if (notesToRender.length === 0) {
this.notesGrid.innerHTML = `
<div class="empty-state">
<p>No notes found. Click "Add New Note" to create one!</p>
</div>
`;
return;
}
notesToRender.forEach(note => {
const noteElement = this.createNoteElement(note);
this.notesGrid.appendChild(noteElement);
});
}
}
// Initialize the app
const notesApp = new NotesApp();
</script>
</body>
</html>