Chapter_01-What is WEB.pdf
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Introduction HTML Javascript CSS PHP, ASP, … XML HTML HyperText Markup Language set of markup tags Tag: describ different document content – content Tags examples START TAG END TAG...
Introduction HTML Javascript CSS PHP, ASP, … XML HTML HyperText Markup Language set of markup tags Tag: describ different document content – content Tags examples START TAG END TAG , ,... , ,... (optional) (none; "empty" tag) Html document example First document this is my first page simple page example Browser JavaScript Extension to HTML (client side) object-based scripting language is event-driven What is for – Interactivity with the page user: input - processing - output CSS Control the page layout – fonts and text , Page background,..ect rule h2 { font-style : italic ; } property value selector declaration PHP PHP document Consist: – HTML + JavaScript + CSS + PHP code HTML + JavaScript + CSS ➔ rendered at client side PHP code interpreted at server side ➔ result any thing, but usually html tags + JavaScript + CSS ➔ rendered at client side embedded within a tag PHP PHP test