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Handle unset value attributes consistently depending on property existence. Supplements #9328.

1.7/enhancement_8685
timmywil 2011-05-18 11:46:22 -04:00
parent ba90af0dc5
commit 25118e22a2
2 changed files with 7 additions and 4 deletions
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7
src/attributes.js
View File

@ -343,8 +343,8 @@ jQuery.extend({
return value;
}
} else if ( hooks && "get" in hooks && notxml ) {
return hooks.get( elem, name );
} else if ( hooks && "get" in hooks && notxml && (ret = hooks.get( elem, name )) !== null ) {
return ret;
} else {
@ -495,12 +495,13 @@ boolHook = {
// Use the formHook for button elements in IE6/7 (#1954)
jQuery.attrHooks.value = {
get: function( elem, name ) {
var ret;
if ( formHook && jQuery.nodeName( elem, "button" ) ) {
return formHook.get( elem, name );
}
return name in elem ?
elem.value :
elem.getAttribute( name );
null;
},
set: function( elem, value, name ) {
if ( formHook && jQuery.nodeName( elem, "button" ) ) {

4
test/unit/attributes.js
View File

@ -40,7 +40,7 @@ test("jQuery.attrFix/jQuery.propFix integrity test", function() {
});
test("attr(String)", function() {
expect(43);
expect(45);
equals( jQuery("#text1").attr("type"), "text", "Check for type attribute" );
equals( jQuery("#radio1").attr("type"), "radio", "Check for type attribute" );
@ -126,6 +126,8 @@ test("attr(String)", function() {
ok( jQuery("<div/>").attr("title") === undefined, "Make sure undefined is returned when no attribute is found." );
equal( jQuery("<div/>").attr("title", "something").attr("title"), "something", "Set the title attribute." );
ok( jQuery().attr("doesntexist") === undefined, "Make sure undefined is returned when no element is there." );
equal( jQuery("<div/>").attr("value"), undefined, "An unset value on a div returns undefined." );
equal( jQuery("<input/>").attr("value"), "", "An unset value on an input returns current value." );
});
if ( !isLocal ) {