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Fix for custom attr handles duck-punching the boolean attr handle

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This commit is contained in:
Timmy Willison 2013-08-28 12:12:37 -04:00
parent 2af2e74e27
commit 05d907d1b1
2 changed files with 20 additions and 4 deletions
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10
src/attributes/attr.js
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@ -145,17 +145,19 @@ boolHook = {
// Retrieve booleans specially
jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
var getter = attrHandle[ name ] || jQuery.find.attr,
fn = attrHandle[ name ] = getSetInput && getSetAttribute || !ruseDefault.test( name ) ?
var getter = attrHandle[ name ] || jQuery.find.attr;
attrHandle[ name ] = getSetInput && getSetAttribute || !ruseDefault.test( name ) ?
function( elem, name, isXML ) {
var ret;
var ret, handle;
if ( !isXML ) {
// Avoid an infinite loop by temporarily removing this function from the getter
handle = attrHandle[ name ];
attrHandle[ name ] = ret;
ret = getter( elem, name, isXML ) != null ?
name.toLowerCase() :
null;
attrHandle[ name ] = fn;
attrHandle[ name ] = handle;
}
return ret;
} :

14
test/unit/attributes.js
View File

@ -473,6 +473,20 @@ test( "attr(String, Object)", function() {
equal( jQuery("#name").attr( "nonexisting", undefined ).attr("nonexisting"), undefined, ".attr('attribute', undefined) does not create attribute (#5571)" );
});
test( "attr - extending the boolean attrHandle", function() {
expect( 1 );
var called = false,
_handle = jQuery.expr.attrHandle.checked || $.noop;
jQuery.expr.attrHandle.checked = function() {
called = true;
_handle.apply( this, arguments );
};
jQuery( "input" ).attr( "checked" );
called = false;
jQuery( "input" ).attr( "checked" );
ok( called, "The boolean attrHandle does not drop custom attrHandles" );
});
test( "attr(String, Object) - Loaded via XML document", function() {
expect( 2 );
var xml = createDashboardXML(),