Dynamic web pages rely on HTML text files to instruct browsers on content display, with the Document Object Model (DOM) acting as the intermediary between HTML and JavaScript, facilitating dynamic webpage interactions. The article discusses essential DOM methods crucial for frontend development, detailing how methods like querySelector(), querySelectorAll(), getElementById(), getElementsByClassName(), and getElementsByTagName() are used to select and manipulate specific elements within the DOM tree. It also covers methods for getting and setting content, such as innerHTML and textContent, and attribute and style manipulation methods like classList.add(), classList.remove(), createElement(), appendChild(), and style.setProperty(). Additionally, event handling methods such as addEventListener() and removeEventListener() are explained, highlighting their role in enhancing interactivity by responding to user actions. The article emphasizes mastering these methods to create dynamic, interactive web applications, providing foundational tools for effective user experience management.