The Document Object Model (DOM) is like a tree structure that represents all the parts of an HTML page. Within this tree, elements often live inside other elements — these are called nested elements. For example, a list <ul> contains several <li> items inside it. Accessing these nested elements is key to interacting with and […]
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In every HTML page, the <head> section plays a quiet but essential role. It houses metadata, the document’s title, links to stylesheets, scripts, and other information that shapes how the page is understood and displayed by browsers. Although its contents are not visible on the page, the head element is central to how a document
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In web development, the <body> tag is where almost all visible content lives. It contains paragraphs, headings, images, videos, forms, and everything in between. Whenever you’re building a web page, the body element is what users see and interact with. From a developer’s point of view, this makes it an important part of the DOM
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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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Images bring life to a webpage, showing product previews, user avatars, or visual stories. These images are represented in HTML by <img> tags, and JavaScript makes it easy to find, update, or animate them through the DOM. Whether you have a single photo or an entire gallery, JavaScript gives you ways to interact with each
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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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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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Interacting with HTML using JavaScript becomes truly powerful when you tap into the Document Object Model (DOM). The DOM represents the entire structure of your web page as a tree of nodes, where every element—like a paragraph, div, image, or list—is a branch that can be accessed and manipulated. JavaScript lets you grab these elements
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In HTML, a class is a way to group elements together that share a common purpose or style. Unlike IDs, which must be unique, many elements on a page can share the same class name. This makes classes perfect for applying the same behavior or appearance to multiple elements at once — such as styling
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The Document Object Model (DOM) is like a living map of all the elements on a webpage. It lets JavaScript talk to the page, find elements, and change them in real time. Every HTML element can have a unique identifier called an ID. Think of an ID as the element’s personal name tag — no
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