Day 17

» Client side and Server side » Since PHP is Server side and can output anything we want, we can output to JS. » With JS libraries, we can create flash like effects that go beyond the client side. » Common uses: Transition Effects/feedback In-place editing, form controls Many more…

» jQuery » Prototype » MooTools » Yahoo YUI » EXT JS » DoJo Toolkit » MochiKit » Many many more..

» Write Less, Do More » “jQuery is a fast, concise, JavaScript Library that simplifies how you traverse HTML documents, handle events, perform animations, and add Ajax interactions to your web pages.” » Easy to use, extensive documentation, plugin ability, well supported, small download.

» PHP and JS work together in two ways. PHP output to JS JS output to PHP through AJAX » Once a page is sent to the client, JS can work, but can’t directly communicate with PHP on the server without AJAX. » jQuery makes this process simple.

» PHP output to JS on server side. <?php echo ‘ alert(“This is javascript.”); ’; ?> » You can output JS the same way you output HTML, PHP makes no distinction.

» Automatic Random Picture Rotator » Self Submitting Forms » Auto-save capabilities » Unique Username and checker for new user account creation » Change CSS formatting on the fly » Edit in-place form data » Instant rating system