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Make .val(undefined) == .val("") and chainable; fixes #4130.
[jquery.git]
/
src
/
attributes.js
diff --git
a/src/attributes.js
b/src/attributes.js
index
a76695b
..
fd3e38a
100644
(file)
--- a/
src/attributes.js
+++ b/
src/attributes.js
@@
-136,7
+136,7
@@
jQuery.fn.extend({
},
val: function( value ) {
},
val: function( value ) {
- if ( value === undefined ) {
+ if ( !arguments.length ) {
var elem = this[0];
if ( elem ) {
var elem = this[0];
if ( elem ) {
@@
-209,9
+209,10
@@
jQuery.fn.extend({
val = value.call(this, i, self.val());
}
val = value.call(this, i, self.val());
}
- // Typecast each time if the value is a Function and the appended
- // value is therefore different each time.
- if ( typeof val === "number" ) {
+ // Treat null/undefined as ""; convert numbers to string
+ if ( val == null ) {
+ val = "";
+ } else if ( typeof val === "number" ) {
val += "";
}
val += "";
}