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HTML5 and CSS3: Visual QuickStart Guide, Seventh Edition by Bruce Hyslop, Elizabeth Castro

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Validating Your Code

One great way to find errors on a page Image is to run it through a validator Image. An HTML validator compares your code against the rules of the language, displaying errors or warnings for any inconsistencies it finds. It will alert you to syntax errors; invalid elements, attributes, and values; and improper nesting of elements Image. It can’t tell if you’ve marked up your content with the elements that best describe it, so it’s still up to ...

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