documentquerySelectormenu
The document.querySelector() method in JavaScript is a powerful tool for selecting elements within an HTML document. It returns the first element that matches a specified CSS selector. If no matching element is found, it returns null. This method is widely used in web development to easily access and manipulate specific parts of a webpage.
The syntax for document.querySelector() is straightforward. It takes a single argument: a string representing the CSS
Once an element is selected, it can be manipulated using various DOM (Document Object Model) properties and
A key advantage of document.querySelector() is its flexibility. It can handle almost any CSS selector that you