learn javascript step by step online

Best

http://www.webteacher.com/javascript/ch03_3.html






http://javascript.info/tutorial/first-steps
http://www.developphp.com/list_javascript.php#DOM_document_Object_JavaScript
http://www.w3schools.com/js/
http://www.javascriptsource.com/games/


javascript online editor

http://jsbin.com/
http://jsfiddle.net/

CODE REVIEW
http://codereview.stackexchange.com/questions/2631/self-playing-baseball-game?rq=1
http://www.codeavengers.com/javascript/