22 lines
418 B
JavaScript
22 lines
418 B
JavaScript
define( [
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"../core"
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], function( jQuery ) {
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"use strict";
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// Note: an element does not contain itself
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jQuery.contains = function( a, b ) {
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var bup = b && b.parentNode;
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return a === bup || !!( bup && bup.nodeType === 1 && (
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// Support: IE 9 - 11+
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// IE doesn't have `contains` on SVG.
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a.contains ?
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a.contains( bup ) :
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a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
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) );
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};
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} );
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