JavaScript usage guide: Difference between revisions
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Revision as of 11:03, 27 January 2010
Note: This page is a work-in-progress. Feedback and suggested improvements are welcome. Please join the discussion on moodle.org or use the page comments.
| Javascript usage guide | |
|---|---|
| Project state | Work in progress |
| Tracker issue | MDL-21240 |
| Discussion | n/a, developer chat only |
| Assignee | Petr Škoda (škoďák) + feedback and ideas from Sam and Dongsheng, based on previous work of Nicolas and Tim |
Moodle 2.0
Goals
- standardised usage of Javascript code in Moodle
- improved performance
- improve and simplify JS related APIs
API overview
Types of JS code in 1.9:
- JS scripts linked from page head
- JS linked and executed from page head
- inline Javascript
- global JS variables
Overview of JavaScript usage in 2.0
- all JS stored in one global M namespace
- majority of JS logic moved into page footer
- loading of javascript modules handled by YUI3 loader
- all plugins support module.js files
- most JS is initialised through $PAGE->requires->js_init_call()
- full migration to YUI3, YUI2 modules are loaded on demand only
