JavaScript and PHP Tutorials

PHP to JavaScript

Information on passing variables and arrays from PHP to JavaScript, plus PHP's json_encode and JavaScript's JSON.parse.

JavaScript and Iframes

Using JavaScript to manipulate iframes and to communicate between the document containing the iframe and the document inside it. Cross-browser object references. Uses for iframes.

JavaScript Object Literals

Object literal syntax, how to locate and correct errors, how to add properties to an existing object.

Initializing JavaScript - Old and Modern Methods

Various means of setting up onload or DOM ready function calls, from old-school to the DOM event model.

JavaScript Errors and Other Code Malfunctions

How to find JavaScript error messages, what some of the common error messages mean and how to resolve them.