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Made it so that you can't change the type of an input element, having it throw an exception instead (except for input elements that haven't yet been injected into the DOM). (Bug #1536)

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This commit is contained in:
John Resig
2007-09-04 04:17:14 +00:00
parent 53dc6afc31
commit 7d02f06e03
2 changed files with 30 additions and 2 deletions
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24
src/jquery/coreTest.js vendored
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@@ -232,7 +232,7 @@ test("attr(Hash)", function() {
});
test("attr(String, Object)", function() {
expect(8);
expect(12);
var div = $("div");
div.attr("foo", "bar");
var pass = true;
@@ -255,6 +255,28 @@ test("attr(String, Object)", function() {
ok( document.getElementById('text1').readOnly == false, 'Set readonly attribute' );
$("#name").attr('maxlength', '5');
ok( document.getElementById('name').maxLength == '5', 'Set maxlength attribute' );
reset();
var type = $("#check2").attr('type');
var thrown = false;
try {
$("#check2").attr('type','hidden');
} catch(e) {
thrown = true;
}
ok( thrown, "Exception thrown when trying to change type property" );
equals( type, $("#check2").attr('type'), "Verify that you can't change the type of an input element" );
var check = document.createElement("input");
var thrown = true;
try {
$(check).attr('type','checkbox');
} catch(e) {
thrown = false;
}
ok( thrown, "Exception thrown when trying to change type property" );
equals( "checkbox", $(check).attr('type'), "Verify that you can change the type of an input element that isn't in the DOM" );
});
test("attr(String, Object) - Loaded via XML document", function() {

8
src/jquery/jquery.js vendored
View File

@@ -728,9 +728,15 @@ jQuery.extend({
// IE elem.getAttribute passes even for style
else if ( elem.tagName ) {
if ( value != undefined ) elem.setAttribute( name, value );
if ( value != undefined ) {
if ( name == "type" && jQuery.nodeName(elem,"input") && elem.parentNode )
throw "type property can't be changed";
elem.setAttribute( name, value );
}
if ( jQuery.browser.msie && /href|src/.test(name) && !jQuery.isXMLDoc(elem) )
return elem.getAttribute( name, 2 );
return elem.getAttribute( name );
// elem is actually elem.style ... set the style