How to implement a JavaScript-based system for interactive bird watching and identification?
13/03/2024
•
5
min
Implementing a JavaScript-based system for interactive bird watching and identification incorporates multiple facets such as creating a database of birds, setting up the HTML structure, implementing the JavaScript functionality for interactivity, and styling with CSS. In this example, I will create a simplistic version of such a project. It will display an image of a bird and upon clicking it, it will reveal the bird's name.
Step 1: Creating the HTML Structure
<!DOCTYPE html>
<html>
<head>
<title>Bird Watching App</title>
<link rel="stylesheet" type="text/css" href="styles.css"/>
<script src="app.js"></script>
</head>
<body>
<div id="container">
<div class="bird-card">
<img src="bird-image.jpg" alt="Hidden bird"/>
<p class="bird-name">Click to identify!</p>
</div>
</div>
</body>
</html>
Step 2: Applying Styles with CSS
Create a styles.css file in the same directory to add styling to this app.
body {
font-family: Arial, sans-serif;
}
#container {
width: 80%;
margin: 0 auto;
}
.bird-card {
width: 200px;
margin: 15px;
text-align: center;
position: relative;
}
.bird-card img {
width: 100%;
height: auto;
}
.bird-card .bird-name {
position: absolute;
bottom: 0;
width: 100%;
text-align: center;
background: rgba(0,0,0,0.5);
color: white;
display: none;
}
Step 3: Adding Interactivity with JavaScript
JavaScript will add a 'click' event to each bird card. When a card is clicked, the bird's name will be shown. Create a app.js file in the same directory.
// Add event listener DOMContentLoaded to make sure the script runs after the DOM has loaded
document.addEventListener('DOMContentLoaded', function() {
const birdCards = document.querySelectorAll('.bird-card');
birdCards.forEach(function(card) {
card.addEventListener('click', function() {
// Retrieve bird's name (Assume it's stored in a data attribute)
const birdName = this.dataset.birdName;
// Show bird's name
const birdNameEl = this.querySelector('.bird-name');
birdNameEl.textContent = birdName;
birdNameEl.style.display = 'block';
});
});
});
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Note: If you want a more complex application, you might consider using a JavaScript framework such as React, Vue.js, Angular; and a database or API to store your bird data, maybe even incorporate Machine Learning for automatic bird recognition on images. This example provides a simple starting point.
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