The third component of a web page is the custom code we script our page with. We can make our page more dynamic and interactive by executing different tasks on different events, for example, on a press of a button. Web clients use the JavaScript language for these kinds of client-side tasks. They expose their DOM trees, making them accessible and modifiable by us. JavaScript started as a high-level basic scripting language for very simple automation tasks. Nowadays, it can be a full-fledged high-level object-oriented programming language. DOM manipulation is just one of the many things it can do, including the interpretation and manipulation of binary input. It can be used in imperative style, object-oriented style, ...
Scripting your web page
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