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Fixes regression in .attr(), patch by David Flanagan. Fixes #4884.

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This commit is contained in:
John Resig 2009-07-11 13:57:38 +00:00
parent 8db967e9d5
commit 2a268f5f4b
2 changed files with 27 additions and 28 deletions
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40
src/attributes.js
View file

@ -1,34 +1,30 @@
jQuery.fn.extend({ jQuery.fn.extend({
attr: function( name, value ) { attr: function( name, value ) {
var options = name, isFunction = jQuery.isFunction( value ); var elem, options, isFunction = jQuery.isFunction(value);
if ( typeof name === "string" ) { if ( typeof name === "string" ) { // A single attribute
// Are we setting the attribute? if ( value === undefined ) { // Query it on first element
if ( value === undefined ) {
return this.length ? return this.length ?
jQuery.attr( this[0], name ) : jQuery.attr( this[0], name ) :
null; null;
} else { // Set it on all elements
// Convert name, value params to options hash format
} else {
options = {};
options[ name ] = value;
}
}
// For each element...
for ( var i = 0, l = this.length; i < l; i++ ) { for ( var i = 0, l = this.length; i < l; i++ ) {
var elem = this[i]; elem = this[i];
if ( isFunction )
// Set all the attributes
for ( var prop in options ) {
value = options[prop];
if ( isFunction ) {
value = value.call(elem,i); value = value.call(elem,i);
jQuery.attr( elem, name, value );
}
}
} else { // Multiple attributes to set on all
options = name;
for ( var i = 0, l = this.length; i < l; i++ ) {
elem = this[i];
for ( name in options ) {
value = options[name];
if ( jQuery.isFunction(value) )
value = value.call(elem,i);
jQuery.attr( elem, name, value );
} }
jQuery.attr( elem, prop, value );
} }
} }

5
test/unit/attributes.js
View file

@ -68,12 +68,15 @@ test("attr(String, Function)", function() {
}); });
test("attr(Hash)", function() { test("attr(Hash)", function() {
expect(1); expect(3);
var pass = true; var pass = true;
jQuery("div").attr({foo: 'baz', zoo: 'ping'}).each(function(){ jQuery("div").attr({foo: 'baz', zoo: 'ping'}).each(function(){
if ( this.getAttribute('foo') != "baz" && this.getAttribute('zoo') != "ping" ) pass = false; if ( this.getAttribute('foo') != "baz" && this.getAttribute('zoo') != "ping" ) pass = false;
}); });
ok( pass, "Set Multiple Attributes" ); ok( pass, "Set Multiple Attributes" );
equals( jQuery('#text1').attr({'value': function() { return this.id; }})[0].value, "text1", "Set attribute to computed value #1" );
equals( jQuery('#text1').attr({'title': function(i) { return i; }}).attr('title'), "0", "Set attribute to computed value #2");
}); });
test("attr(String, Object)", function() { test("attr(String, Object)", function() {