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Reworked the attribute selection code to be able to select false-y values - and added some tests to verify that they work well against expandos.

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This commit is contained in:
John Resig 2009-02-09 15:18:07 +00:00
parent ab74ce7b57
commit b16da9d762
2 changed files with 19 additions and 3 deletions
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13
src/selector.js
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@ -564,7 +564,16 @@ var Expr = Sizzle.selectors = {
return match.test( elem.className ); return match.test( elem.className );
}, },
ATTR: function(elem, match){ ATTR: function(elem, match){
var result = Expr.attrHandle[ match[1] ] ? Expr.attrHandle[ match[1] ]( elem ) : elem[ match[1] ] || elem.getAttribute( match[1] ), value = result + "", type = match[2], check = match[4]; var name = match[1],
result = Expr.attrHandle[ name ] ?
Expr.attrHandle[ name ]( elem ) :
elem[ name ] != null ?
elem[ name ] :
elem.getAttribute( name ),
value = result + "",
type = match[2],
check = match[4];
return result == null ? return result == null ?
type === "!=" : type === "!=" :
type === "=" ? type === "=" ?
@ -574,7 +583,7 @@ var Expr = Sizzle.selectors = {
type === "~=" ? type === "~=" ?
(" " + value + " ").indexOf(check) >= 0 : (" " + value + " ").indexOf(check) >= 0 :
!check ? !check ?
result : value && result !== false :
type === "!=" ? type === "!=" ?
value != check : value != check :
type === "^=" ? type === "^=" ?

9
test/unit/selector.js
View File

@ -215,7 +215,7 @@ test("child and adjacent", function() {
}); });
test("attributes", function() { test("attributes", function() {
expect(37); expect(40);
t( "Attribute Exists", "a[title]", ["google"] ); t( "Attribute Exists", "a[title]", ["google"] );
t( "Attribute Exists", "*[title]", ["google"] ); t( "Attribute Exists", "*[title]", ["google"] );
t( "Attribute Exists", "[title]", ["google"] ); t( "Attribute Exists", "[title]", ["google"] );
@ -233,6 +233,13 @@ test("attributes", function() {
t( "for Attribute", "form label[for]", ["label-for"] ); t( "for Attribute", "form label[for]", ["label-for"] );
t( "for Attribute in form", "#form [for=action]", ["label-for"] ); t( "for Attribute in form", "#form [for=action]", ["label-for"] );
jQuery("form input")[0].test = 0;
jQuery("form input")[1].test = 1;
t( "Expando attribute", "form input[test]", ["text1", "text2"] );
t( "Expando attribute value", "form input[test=0]", ["text1"] );
t( "Expando attribute value", "form input[test=1]", ["text2"] );
t( "Attribute containing []", "input[name^='foo[']", ["hidden2"] ); t( "Attribute containing []", "input[name^='foo[']", ["hidden2"] );
t( "Attribute containing []", "input[name^='foo[bar]']", ["hidden2"] ); t( "Attribute containing []", "input[name^='foo[bar]']", ["hidden2"] );