JSON, or JavaScript Object Notation, is a data-interchange format that is becoming more widely accepted as a viable format for Ajax applications. It is essentially an associative array or a hash table, depending on the programming language with which you are most familiar. This means that names or labels are associated with values in an array structure or comma-delimited list. This format rivals XML as a data format used in Ajax applications because of its lightweight syntax and the adoption of JavaScript as a standard client-side scripting language. JSON parsing is also supported natively with JavaScript’s eval method, which makes it extremely simple to parse when using it in your Ajax applications. The downfall is that the parsing can ...

Get Ajax for Web Application Developers now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.