[Proto-Scripty] Re: Form.serialize without empty inputs.
You can filter out the bogus values of the original or create a new
object and only set the valid values.
var data = $H(form.serialize(true));
var transportData = $H();
data.each(function(pair, itr) {
if(pair[1] != "")
transportData.set(pair[0], pair[1]);
});
--
http://positionabsolute.net
On Nov 8, 9:06 am, Braulio wrote:
> Hello.
>
> On 7 nov, 04:39, "T.J. Crowder" 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(Theonly 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 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.
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[Proto-Scripty] Re: Form.serialize without empty inputs.
Hello.
On 7 nov, 04:39, "T.J. Crowder" 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 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.
--
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[Proto-Scripty] Re: Form.serialize without empty inputs.
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
HTH,
--
T.J. Crowder
Independent Software Engineer
tj / crowder software / com
www / crowder software / com
On Nov 5, 9:14 pm, Braulio 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.
--
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