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Object Extras (gallery-object-extras) on cdn

Last Updated: 04/17/13

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John Lindal

YUI Contributor

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Created: 01/4/12
Last CDN Push: 05/23/12
Build Tag: gallery-2012.05.23-19-56
Project: YUI 3
License: YUI BSD
YUI Version: 3.5.1
Free for use.

Provides the same higher-order functions that array-extras adds to Y.Array. Note that, unlike Y.Array, iteration order for objects is arbitrary, so be careful when applying non-commutative operations.

To add these functions to the YUI Global Object, use gallery-funcprog.

Example usage.

Code Sample

<script src="http://yui.yahooapis.com/3.5.1/build/yui/yui-min.js"></script>

YUI({
    //Last Gallery Build of this module
    gallery: 'gallery-2012.05.23-19-56'
}).use('gallery-object-extras', function(Y)
{
	var result = Y.Object.filter({a:1,b:2,c:3,d:4}, function(value, key)
	{
		return value >= 3 || key == 'a';
	});
 
	var key = Y.Object.keyOf({a:1,b:2,c:3,d:4}, 3);
 
	var squares = Y.Object.map({a:1,b:2,c:3,d:4}, function(value, key)
	{
		return v*v;
	});
 
	var sum = Y.Object.reduce({a:1,b:2,c:3,d:4}, 0, function(sum, value)
	{
		return sum + value;
	});
});