Latest Random JavaScript Tips http://www.webreference.com/js/tips/ Doc JavaScript's Tip of the Day Archive en-us Copyright (c) 2009 WebMediaBrands Inc. All rights reserved. sclark@internet.com (Scott Clark) lunderwood@internet.com (Lee Underwood) Defining the Constructor Function (5/15/2002) http://www.webreference.com/js/tips/020515.html Do you know how to define constructor functions in JScript.NET? Learn how each constructor function can assign its own unique values. Piggybacking Intrinsic Polymorphic Functions (6/28/2002) http://www.webreference.com/js/tips/020628.html What's the connection between the Object object and polymorphism? Learn how to use intrinsic polymorphic functions to create your own. Folder Operations and Properties (11/18/2000) http://www.webreference.com/js/tips/001118.html What kind of folder operations do you expect from a programming language? Check if JavaScript is up to par. The Scope of Function Code (3/24/2001) http://www.webreference.com/js/tips/010324.html Which this is this? Learn how to determine the scope of function code, and in particular, the identity of the this object. IE Event Bubbling (1/31/2000) http://www.webreference.com/js/tips/000131.html Are you familiar with event bubbling? Learn how it's implemented in Internet Explorer. Zooming In and Out of Elements (10/2/2001) http://www.webreference.com/js/tips/011002.html Do you know how to zoom in and out of a DIV element? Learn how to specify the zoom factor in STYLE elements. Examples for Applying Inheritance (6/4/2002) http://www.webreference.com/js/tips/020604.html Can you think about a past project where you could have used inheritance? Here are two classic examples for applying this powerful feature. Finding a File's Name and Path (11/4/2000) http://www.webreference.com/js/tips/001104.html What's in a name? Learn four different ways to find a file's name and path. Calling Web Services from JavaScript (7/15/2002) http://www.webreference.com/js/tips/020715.html Do you know how to call a Web service from JavaScript? Learn how to call the DHTML webservice behavior. Differentiating between Cookies (1/9/2002) http://www.webreference.com/js/tips/020109.html Do you know how to use cookies? Learn about the parameters used to distinguish between them. Application-Specific Protocols (12/12/2001) http://www.webreference.com/js/tips/011212.html Do you know what WSDL (Web Services Description Language) is used for? Learn how WSDL is used for specifying application-specific protocols. The Multiple States of XML Loading (1/20/2002) http://www.webreference.com/js/tips/020120.html Do you know how many states exist for XML loading? Learn about the four instances of readyState and how you can transition between them. Calling the IsPrime Web Service from DHTML (7/13/2002) http://www.webreference.com/js/tips/020713.html Do you know how to write a GUI to consume a Web service from a DHTML page? Here's an example interface for our IsPrime Web service. Relative Elements (10/13/2001) http://www.webreference.com/js/tips/011013.html Do you know the difference between "relative" and "static" positioning? Learn how to define relative elements. WMLScript Libraries (6/12/2000) http://www.webreference.com/js/tips/000612.html Do you know that WMLScript does not support objects and methods? Learn how its six standard libraries provide JavaScript functionality.