JavaScript

JavaScript DOM: Getting Children of Elements

JavaScript DOM: Getting Children of Elements

When working with web pages, elements are often nested inside one another, forming a tree-like structure known as the Document Object Model (DOM). Understanding how to access the children of a DOM element is essential for manipulating page content dynamically. The children of an element are the direct nested elements within it. This is different […]

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JavaScript DOM: getElementById() vs querySelector()

JavaScript DOM: getElementById() vs querySelector()

The Document Object Model (DOM) is a tree-like structure that represents all the elements of a web page. JavaScript interacts with this structure to read, modify, or create elements dynamically. Selecting the right elements from the DOM is often the first step in making a page interactive. Two of the most common ways to select

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JavaScript DOM: Getting Elements by Name

JavaScript DOM: Getting Elements by Name

The name attribute is a staple in HTML, especially within forms. It lets you group related elements—like radio buttons or multiple inputs—under a single identifier. JavaScript can access these elements using document.getElementsByName(), which returns a live NodeList of all matching elements, making it easy to handle groups in a uniform way. Using getElementsByName() allows you

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JavaScript DOM: Getting Elements with Query Selector

JavaScript DOM: Getting Elements with Query Selector

Interacting with a webpage using JavaScript starts with one essential task—finding the right elements in the Document Object Model (DOM). The DOM is a structured representation of an HTML document that allows JavaScript to access and manipulate its elements dynamically. One of the most flexible and powerful ways to locate elements is through the querySelector

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JavaScript DOM: Getting Form Elements

JavaScript DOM: Getting Form Elements

Forms are the bridge between users and web pages—allowing people to enter data, choose options, and trigger actions. In HTML, form elements contain various elements, such as text inputs, checkboxes, radio buttons, dropdowns, and buttons. JavaScript interacts with these elements to read input, adjust defaults, or react to changes made by the user. Accessing form

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