Landing pull request 512. 1.7 - removeData now takes space separated …

…lists and arrays of keys - Fixes #7323.

More Details:
 - #512
 - http://bugs.jquery.com/ticket/7323

src/data.js

@@ -133,7 +133,7 @@ jQuery.extend({
			return;
		}

		var thisCache,
		var thisCache, i, l,

			// Reference to internal data cache key
			internalKey = jQuery.expando,
@@ -158,12 +158,25 @@ jQuery.extend({

			if ( thisCache ) {

				// Support interoperable removal of hyphenated or camelcased keys
				if ( !thisCache[ name ] ) {
				// Support space separated names
				if ( jQuery.isArray( name ) ) {
					name = name;
				} else if ( name in thisCache ) {
					name = [ name ];
				} else {

					// split the camel cased version by spaces
					name = jQuery.camelCase( name );
					if ( name in thisCache ) {
						name = [ name ];
					} else {
						name = name.split( " " );
					}
				}

				delete thisCache[ name ];
				for ( i = 0, l = name.length; i < l; i++ ) {
					delete thisCache[ name[i] ];
				}

				// If there is no data left in the cache, we want to continue
				// and let the cache object itself get destroyed

src/event.js

@@ -238,20 +238,18 @@ jQuery.event = {

				delete events[ type ];
			}
		}

			// Remove the expando if it's no longer used
			if ( jQuery.isEmptyObject( events ) ) {
				handle = elemData.handle;
				if ( handle ) {
					handle.elem = null;
				}

				delete elemData.events;

				// removeData also checks for emptiness and clears the expando if empty
				// so use it instead of delete for this last property we touch here
				jQuery.removeData( elem, "handle", true );
		// Remove the expando if it's no longer used
		if ( jQuery.isEmptyObject( events ) ) {
			handle = elemData.handle;
			if ( handle ) {
				handle.elem = null;
			}

			// removeData also checks for emptiness and clears the expando if empty
			// so use it instead of delete
			jQuery.removeData( elem, [ "events", "handle" ], true );
		}
	},

test/unit/data.js

@@ -434,7 +434,7 @@ test(".data(Object)", function() {
});

test("jQuery.removeData", function() {
	expect(6);
	expect(10);
	var div = jQuery("#foo")[0];
	jQuery.data(div, "test", "testing");
	jQuery.removeData(div, "test");
@@ -445,6 +445,28 @@ test("jQuery.removeData", function() {
	ok( !jQuery.data(div, "test2"), "Make sure that the data property no longer exists." );
	ok( !div[ jQuery.expando ], "Make sure the expando no longer exists, as well." );

	jQuery.data(div, {
		test3: "testing",
		test4: "testing"
	});
	jQuery.removeData( div, "test3 test4" );
	ok( !jQuery.data(div, "test3") || jQuery.data(div, "test4"), "Multiple delete with spaces." );

	jQuery.data(div, {
		test3: "testing",
		test4: "testing"
	});
	jQuery.removeData( div, [ "test3", "test4" ] );
	ok( !jQuery.data(div, "test3") || jQuery.data(div, "test4"), "Multiple delete by array." );

	jQuery.data(div, {
		"test3 test4": "testing",
		test3: "testing"
	});
	jQuery.removeData( div, "test3 test4" );
	ok( !jQuery.data(div, "test3 test4"), "Multiple delete with spaces deleted key with exact name" );
	ok( jQuery.data(div, "test3"), "Left the partial matched key alone" );

	var obj = {};
	jQuery.data(obj, "test", "testing");
	equals( jQuery(obj).data("test"), "testing", "verify data on plain object");