Javascript is a programming or scripting language. It is not as full-featured a language as the programming language Java, however. Note that Java and Javascript are not the same. Javascript was developed by Netscape and Java by Sun Microsystems. Generating dynamic html docs.
Files can exist in two fundamental forms.
Either a file contains information which is understood by a computer or a file contains information which is not understood. In the former case we are usually talking about executable computer programs, in the latter data files, like a letter home. Programs or scripts consist of lines of executable code. They are written as a series of statements or commands in the order in which they are to be executed. When looking at a dot separated string of seeming object names, you need to know that each item is not always an object but can be the name of a function related to the preceding object or a property of the preceding object.