1.1 xhtml basics

What is XHTML? ,[object Object],[object Object],[object Object],[object Object]

A basic XHTML document: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DOCTYPE must be specified on the first line: ,[object Object],[object Object],The DOCTYPE tells the web browser which language is being used for the set of instructions that follow. In this class, we will be using XHTML Transitional, which allows us more flexibility than XHTML Strict.

In XHTML, all elements must be in lowercase (the DOCTYPE line is not an element.) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Each element must have a beginning and an end: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Elements must be properly nested: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What is wrong with this? ,[object Object],[object Object],[object Object],[object Object],[object Object]

What is wrong with this? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

White space doesn’t matter. The browser will ignore blank lines and multiple spaces: ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],is the same as: We can take advantage of this fact by putting blank lines and indents in our code to make it easier to organize and read.

Summary of XHTML Basics: ,[object Object],[object Object],[object Object],[object Object],[object Object]

1.1 xhtml basics

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1.1 xhtml basics