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JAVASCRIPT JavaScript and Client-Side Scripting When HTML was first developed, Web pages were static – Static Web pages cannot change after the browser renders them – HTML and XHTML could only be used to produce static documents. JavaScript – Client-side scripting language that allows Web page authors to develop interactive Web pages and sites JavaScript and Client-Side Scripting Client-side scripting: – Scripting language that runs on a local browser (on the client tier) JavaScript gives you the ability to: – Turn static Web pages into applications such as games or calculators – Change the contents of a Web page after a browser has rendered it – Create visual effects such as animation – Control the Web browser window itself The