http://javascript.about.com/ Focus on JavaScript http://javascript.about.com/b/2009/07/10/valueof-and-tostring.htm There are two methods that all JavaScript objects have. Every object that you define in JavaScript has at least two methods available - valueOf() and toString(). These methods will return a... http://javascript.about.com/b/2009/07/10/valueof-and-tostring.htm 2009-07-10T14:52:14Z http://javascript.about.com/b/2009/07/09/linking-three-dropdowns.htm Dynamically update dropdown lists based on other dropdowns using JavaScript Updating a second dropdown's content based on a user selection in a first dropdown is a common requirement. Of course having... http://javascript.about.com/b/2009/07/09/linking-three-dropdowns.htm 2009-07-09T10:44:38Z http://javascript.about.com/b/2009/07/08/speed-of-movement.htm JavaScript can control how fast things move on your web page. Depending on just what it is that you want to have moving around on your web page you may want... http://javascript.about.com/b/2009/07/08/speed-of-movement.htm 2009-07-08T15:00:17Z http://javascript.about.com/b/2009/07/07/the-javascript-modulo-bug.htm JavaScript doesn't get everything right. One of the things that JavaScript gets wrong is modulo arithmatic where for any positive modulo number the possible values should be between zero and one... http://javascript.about.com/b/2009/07/07/the-javascript-modulo-bug.htm 2009-07-07T07:24:41Z http://javascript.about.com/b/2009/07/06/creating-new-objects-without-copying-existing-ones.htm JavaScript doesn't limit you to using the objects that it defines, you can also create your own. JavaScript provides several different ways to define new objects, Here we look at one... http://javascript.about.com/b/2009/07/06/creating-new-objects-without-copying-existing-ones.htm 2009-07-06T08:34:28Z http://javascript.about.com/b/2009/07/05/innerhtml.htm JavaScript has a simple way of interacting with HTML In the sixth Document Object Model tutorial we look at the simplest way of referencing the content of your web page is... http://javascript.about.com/b/2009/07/05/innerhtml.htm 2009-07-05T17:20:11Z http://javascript.about.com/b/2009/07/04/strings-to-numbers.htm HTML doesn't provide a way to enter numbers so JavaScript needs to convert them from text JavaScript provides so many different ways to convert text strings to numbers that there will... http://javascript.about.com/b/2009/07/04/strings-to-numbers.htm 2009-07-04T13:15:14Z http://javascript.about.com/b/2009/07/03/split-a-line.htm JavaScript can provide advanced text manipulation. One problem with splitting text across multiple lines in JavaScript is how to avoid splitting the line in the middle of a word. This function... http://javascript.about.com/b/2009/07/03/split-a-line.htm 2009-07-03T15:41:06Z http://javascript.about.com/b/2009/07/02/browser-info.htm JavaScript can easily retrieve useless information about the computer screen as well as more useful information about the size of their browser window Not all of your visitors will use the... http://javascript.about.com/b/2009/07/02/browser-info.htm 2009-07-02T12:26:35Z http://javascript.about.com/b/2009/07/01/moving-vertically.htm Web pages are two dimensional When we place objects on our web page to be animated with Javascript we are not limited to just having them move from side to side.... http://javascript.about.com/b/2009/07/01/moving-vertically.htm 2009-07-01T13:14:13Z