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jquery-once

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Readme

jQuery Once

Act on jQuery elements only once.

Filters out all elements that had the same filter applied on them before. It can be used to ensure that a function is only applied once to an element.

Install

NPM

Use: require('jquery-once')
Install: npm install --save jquery-once

Browserify

Use: require('jquery-once')
Install: npm install --save jquery-once
CDN URL: //wzrd.in/bundle/jquery-once@2.0.0-alpha.2

Ender

Use: require('jquery-once')
Install: ender add jquery-once

Component

Use: require('jquery-once')
Install: component install robloach/jquery-once

Bower

Use: require('jquery-once')
Install: bower install jquery-once

Usage

$('div.calendar').once('calendar', function() {
  // This function is only executed once for each div, even if this
  // code segment is executed repeatedly.
});
$('div.calendar').once('calendar').click(function() {
  // .once('calendar') filters out all elements which already have been
  // filtered with once(), and the elements that haven't been filtered
  // yet remain. The previous set of elements can be restored with
  // .end().
});

It also works without supplying a name:

$('div.calendar').once(function() {
  // This function is only executed once for each div, even if this
  // code segment is executed repeatedly. Other scripts can't refer
  // to this `once` method. The once data used to store execution are
  // in the form "jquery-once-1", "jquery-once-2", etc.
});

Develop

Leverage npm, grunt, qunit and projectz:

$ npm install
$ npm test
$ grunt release
$ npm run-script projectz

History

Discover the change history by heading on over to the HISTORY.md file.

License

Licensed under:

GPL-2.0
the incredibly permissive MIT license

Backers

Maintainers

These amazing people are maintaining this project:

Rob Loach robloach@gmail.com (https://github.com/robloach)

Contributors

These amazing people have contributed code to this project:

Become a contributor!

jquery-once