The coding language widely used for web development is JavaScript. This versatile language enables developers to create interactive and dynamic web applications, enhancing the user experience. In combination with HTML and CSS, JavaScript forms the backbone of modern web development, allowing developers to manipulate web pages in real time. Libraries and frameworks such as React, Angular, and Vue.js further amplify its capabilities, enabling efficient development and maintenance of complex interfaces. As a result, JavaScript is a fundamental skill for aspiring web developers.