Introduction to Loader.js
Loader.js is a powerful JavaScript library designed to simplify and streamline the process of loading and managing dependencies in web applications. By using loader.js, developers can ensure that their code is executed in the correct order and that all necessary resources are available.
Getting Started
Loader.js is easy to integrate into your project. Simply include the script in your HTML file:
<script src="path/to/loader.js"></script>
Useful API Methods
Loader.load()
This method is used to load external scripts or stylesheets.
<script>
Loader.load('path/to/script.js');
</script>
Loader.onLoad()
This method executes a callback function once the specified files are loaded.
<script>
Loader.onLoad('path/to/script.js', function() {
console.log('Script has been loaded.');
});
</script>
Loader.loadMultiple()
This method loads multiple files at once.
<script>
Loader.loadMultiple(['file1.js', 'file2.js'], function() {
console.log('All files have been loaded.');
});
</script>
Loader.loadCss()
This method is specifically for loading CSS files.
<script>
Loader.loadCss('path/to/styles.css');
</script>
Loader.loadJson()
This method is used to load JSON files and parse them into JavaScript objects.
<script>
Loader.loadJson('path/to/data.json', function(data) {
console.log(data);
});
</script>
Loader.loadHtml()
This method loads an HTML file and injects it into a specified DOM element.
<script>
Loader.loadHtml('path/to/content.html', document.getElementById('target'));
</script>
Example Application
Here’s an example of a simple web application that uses Loader.js to load various resources.
<!DOCTYPE html>
<html>
<head>
<title>Loader.js Example</title>
<script src="path/to/loader.js"></script>
</head>
<body>
<h1>Loader.js in Action</h1>
<div id="content"></div>
<script>
Loader.loadMultiple(['script1.js', 'styles.css'], function() {
console.log('Scripts and styles have been loaded.');
});
Loader.loadHtml('path/to/content.html', document.getElementById('content'));
</script>
</body>
</html>
Conclusion
Loader.js is an essential tool for modern web development, offering a variety of methods to efficiently manage resource loading. By integrating Loader.js into your projects, you can improve loading times and ensure your scripts and styles are properly managed.
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