w3schools.com
Incridible site for your Js learning, very good for beginner, or advanced level.
JS HOME,
JS Introduction,
JS How To,
JS Where To,
JS Statements,
JS Comments,
JS Variables,
JS Operators,
JS Comparisons,
JS If...Else,
JS Switch,
JS Popup Boxes,
JS Functions,
JS For Loop,
JS While Loop,
JS Break Loops,
JS For...In,
JS Events,
JS Try...Catch,
JS Throw,
JS Special Text,
JS Guidelines
You could try by yourself there and instanly see the results of your scripts.
Read more:
http://www.w3schools.com/
webteacher.com
You coud find tutorial that will take you step by step through the fundamentals of Javascript. 
You will learn how to write functions, use data from text boxes, create IF-THEN conditionals, 
program loops, and generally make your web page "smarter",even  for the Toatal mnon -Programmer. 
Read more:
http://webteacher.com/
Web.Developer.com
 
Web Developer Resource Directory:
Animated GIFs,
CSS,
CSS Properties,
Database,
  Design,
Flash,
HTML,
HTML 4.01 Tags,
  JavaScript,
.NET,
PHP,
Reference,
  
Site Management,
Video,
XML/RSS
Read more:
Web.Developer.com<
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pageresource.com/jscript/
Beginning JavaScript Tutorials,Learn the basics of JavaScript, and how to create some nifty 
scripts for your Web site. Includes tutorials on how to use JavaScript for Dynamic HTML.
HTML and CSS,
JavaScript,
CGI and Perl,
Put Your Page Online,
Design Articles,
Graphics
Read more:
pageresource.com/jscript/
tizag.com
JavaScript Tutorial 
Javascript--what the heck is it? Is it a really difficult programming language that casual web 
designers should be afraid of? What is it used for? Hopefully we'll be able to answer these 
questions for you and more in this tutorial
Read more:
tizag.com
learn-javascript-tutorial.com
JavaScript Basics
    The Name "JavaScript"
    The HTML DOM
    JavaScript Syntax
  Where Is JavaScript Code Written?
    JavaScript Objects, Methods and Properties
    Event Handlers
  Using Event Handlers
Read more:
learn-javascript-tutorial.com