AMD pubsub: Difference between revisions
From MoodleDocs
Ryan Wyllie (talk | contribs) No edit summary |
David Mudrak (talk | contribs) m (Text replacement - "</code>" to "</syntaxhighlight>") |
||
Line 20: | Line 20: | ||
}); | }); | ||
}); | }); | ||
</ | </syntaxhighlight> |
Revision as of 13:02, 14 July 2021
Moodle 3.6
What is this?
A simple module to do event subscription and publishing in JavaScript. It was added to avoid the need to use jQuery and the DOM.
Why would I use it?
Allows modules to communicate with one another indirectly without the need to include jQuery or touch the DOM.
Example
// Module A.
require(['core/pubsub'], function(PubSub) {
PubSub.publish('example-event', someData);
});
// Module B.
require(['core/pubsub'], function(PubSub) {
PubSub.subscribe('example-event', function(someData) {
console.log('Received', someData);
});
});
</syntaxhighlight>