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Landing in jQuery.contains, jQuery.fn.contains, and jQuery.fn.has support. Fixes #4101.

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This commit is contained in:
Yehuda Katz 2009-12-09 12:43:13 -08:00 committed by John Resig
parent 9e60fec46b
commit 4e27f17007
3 changed files with 53 additions and 1 deletions
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1
src/sizzle-jquery.js
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@ -4,5 +4,6 @@ jQuery.expr[":"] = jQuery.expr.filters;
jQuery.unique = Sizzle.uniqueSort;
jQuery.getText = getText;
jQuery.isXMLDoc = isXML;
jQuery.contains = contains;
return;

15
src/traversing.js
View file

@ -57,6 +57,21 @@ jQuery.fn.extend({
return ret;
},
has: function( target ) {
var targets = jQuery( target );
return this.filter(function() {
for ( var i = 0, l = targets.length; i < l; i++ ) {
if ( jQuery.contains( this, targets[i] ) ) {
return true;
}
}
});
},
contains: function( target ) {
return this.has( target ).length > 0;
},
not: function( selector ) {
return this.pushStack( winnow(this, selector, false), "not", selector);
},

38
test/unit/traversing.js
View file

@ -152,7 +152,43 @@ test("not(jQuery)", function() {
expect(1);
same( jQuery("p").not(jQuery("#ap, #sndp, .result")).get(), q("firstp", "en", "sap", "first"), "not(jQuery)" );
})
});
test("has(Element)", function() {
expect(2);
var obj = jQuery("#main").has(jQuery("#sndp")[0]);
same( obj.get(), q("main"), "Keeps elements that have the element as a descendant" );
var multipleParent = jQuery("#main, #header").has(jQuery("#sndp")[0]);
same( obj.get(), q("main"), "Does not include elements that do not have the element as a descendant" );
});
test("has(Selector)", function() {
expect(3);
var obj = jQuery("#main").has("#sndp");
same( obj.get(), q("main"), "Keeps elements that have any element matching the selector as a descendant" );
var multipleParent = jQuery("#main, #header").has("#sndp");
same( obj.get(), q("main"), "Does not include elements that do not have the element as a descendant" );
var multipleHas = jQuery("#main").has("#sndp, #first");
same( multipleHas.get(), q("main"), "Only adds elements once" );
});
test("has(Arrayish)", function() {
expect(3);
var simple = jQuery("#main").has(jQuery("#sndp"));
same( simple.get(), q("main"), "Keeps elements that have any element in the jQuery list as a descendant" );
var multipleParent = jQuery("#main, #header").has(jQuery("#sndp"));
same( multipleParent.get(), q("main"), "Does not include elements that do not have an element in the jQuery list as a descendant" );
var multipleHas = jQuery("#main").has(jQuery("#sndp, #first"));
same( simple.get(), q("main"), "Only adds elements once" );
});
test("andSelf()", function() {
expect(4);