Integrating JavaScript with web pages (e.g. DOM manipulation)

Aashish Kasma|12/13/2022, UTC|3 MIN READ|
//Integrating JavaScript with web pages (e.g. DOM manipulation)


JavaScript is a powerful language for building interactive and dynamic web applications, and one of the key ways it does this is by allowing you to manipulate the Document Object Model (DOM), which is the structure of the web page.

The DOM is a tree-like representation of the elements on a web page, and JavaScript allows you to access, modify, and add elements to the DOM. This can be useful for creating interactive effects, like showing and hiding elements, changing the layout of the page, or updating the content of the page.

To manipulate the DOM in JavaScript, you can use the "document" object, which provides a number of methods for accessing and modifying elements on the page. For example, you can use the "getElementById" method to get a reference to an element by its id:

var element = document.getElementById("my-element");

You can also use the "querySelector" method to get a reference to an element using a CSS selector:

var element = document.querySelector("#my-element");

Once you have a reference to an element, you can use the properties and methods of the element object to modify it. For example, you can use the "innerHTML" property to set the content of the element:

element.innerHTML = "Hello, world!";

You can also use the "style" property to modify the style of the element: = "red";

Overall, integrating JavaScript with web pages is an essential part of building dynamic and interactive applications, and manipulating the DOM is a key part of this process. Understanding how to access and modify elements on the page is an important skill for any JavaScript developer.

Check out the rest of our series on Javascript by reading our other articles:




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