Hello. On 7 nov, 04:39, "T.J. Crowder" <[email protected]> wrote: > Hi, > > `Form#serialize` returns a plain object (with a property for each form > element, where the value of the property is the value of the element). > Plain objects don't have an `#each` method. But for what you're trying > to do, JavaScript itself has a built-in "each" mechanism: `for..in`. > `for..in` enumerates the property names of an object. So you'd just > use `for..in` and look for properties with "" as a value and delete > them from the object: > > var data, name; > > // Get an object with the form data as properties > data = $('step2').serialize(true); > > // Loop through the form data > for (name in data) { > // Does this element have a blank value? > if (data[name] === "") { > // Yes, remove it from the data > delete data[name]; > } > } > > Here's an example:http://jsbin.com/icasa4(The only Prototype- > specific code in the above is the `#serialize` call.) > > You may be wondering if it's safe to modify the object's list of > properties (via `delete`) when you're looping through that list (via > `for..in`). It is, the spec[1] covers this in Section 12.6.4 ("The for- > in Statement"): "Properties of the object being enumerated may be > deleted during enumeration." > > [1]http://www.ecma-international.org/publications/standards/Ecma-262.htm
Thank you very much. Your answer was really helpful and enlightening. Best regards, B. > On Nov 5, 9:14 pm, Braulio <[email protected]> wrote: > > > Hello. > > > Is it possible to serialize a form but without empty inputs? > > > I've been looking on the Internet for an example and I have tried code > > like this one, but without achieving success: > > > $('step2').serialize(true).each(function(s, index) {if (s.empty()) {$ > > ('step2').remove(key)}}) > > > or > > > $('step2').serialize(true).each(function(s, index) {if (s.empty()) > > {this.remove(key)}}) > > > Any help is appreciated. > > > Best regards, > > > B. -- You received this message because you are subscribed to the Google Groups "Prototype & script.aculo.us" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/prototype-scriptaculous?hl=en.
