📜  dom js - Javascript (1)

📅  最后修改于: 2023-12-03 15:30:33.091000             🧑  作者: Mango

DOM JS - Javascript

Javascript is a popular programming language that is widely used for building dynamic web pages. One of its core features is the Document Object Model (DOM), which allows developers to interact with the HTML and CSS of a page.

In this article, we'll introduce you to the DOM JS library, which is a lightweight and easy-to-use implementation of the DOM API in Javascript.

What is DOM JS?

DOM JS is a library of Javascript functions that make it easy to interact with the DOM API. It provides a range of methods for accessing and manipulating HTML elements on a web page.

The library was designed with simplicity in mind, making it a popular choice for beginner and intermediate-level developers. It includes a range of helpful utilities that can speed up development, such as functions for selecting elements, modifying their attributes, and adding event listeners.

Getting started with DOM JS

To get started with DOM JS, you can download the library and include it in your HTML file. Alternatively, you can use a CDN to load the library directly from the web.

Here's an example of how to include DOM JS in your HTML file:

<!DOCTYPE html>
<html>
  <head>
    <title>My Page</title>
    <script src="https://unpkg.com/dom-js@1.0.0/dist/dom-js.min.js"></script>
  </head>
  <body>
    <h1>Hello, world!</h1>
    <script>
      // Your Javascript code goes here
    </script>
  </body>
</html>

Once you've included the library, you can start using its functions to manipulate the DOM.

Using DOM JS functions

Here are a few examples of common DOM JS functions:

Selecting elements

You can select elements on your page using the dom function. This method takes a CSS selector as its argument and returns a list of matching elements.

// Select all paragraphs on the page
const paragraphs = dom('p');
Modifying attributes

You can modify attributes on an element using the attr function. This method takes two arguments: the name of the attribute, and the new value to set.

// Set the href attribute of all links to google.com
dom('a').attr('href', 'https://www.google.com');
Adding event listeners

You can add event listeners to elements using the on function. This method takes two arguments: the name of the event, and the callback function to run when the event occurs.

// Add a click listener to all buttons
dom('button').on('click', function() {
  alert('Button clicked!');
});
Conclusion

DOM JS is a powerful and flexible library that can make working with the DOM API in Javascript a lot easier. With its simple API and helpful utilities, it's a great choice for web developers of all experience levels.

So why not give it a try? Download the library today, and see how much faster and easier your web development can become!