Nice.
You could simplify this:
var f = ['INPUT', 'TEXTAREA', 'SELECT', 'BUTTON'];
$(f.join(','), this).each(function() {
to:
var f = 'INPUT,TEXTAREA,SELECT,BUTTON';
$(f, this).each(function() {
BTW, what do you mean when you say it isn't a plugin? Looks like one to me.
:-)
-Mike
> From: Matt Grimm
>
> I've put together a fast form serializer function that I'm
> hoping can get some review from the list for completeness,
> bugs, a better name, etc. A previous thread revealed quite a
> performance issue with the form plugin's existing serialize
> function when operating on a form with a large number of
> elements. My plugin sacrifices semantic order for wicked
> speed. I have a test form with a select menu containing 500
> options -- with the current serializer, it takes around 5
> full seconds to do the job, and with mine, it takes about 50
> ms. Any feedback would be much appreciated, including whether
> you think this should be included with the form plugin distribution.
>
> Since this isn't a plugin, I'm just going to include the
> source in this message -- please let me know if there's a
> better (i.e., more polite) way to do this.
>
> Thanks!
>
> m.
>
> ---
>
> $.fn.fastSerialize = function() {
> var a = [];
> var f = ['INPUT', 'TEXTAREA', 'SELECT', 'BUTTON'];
>
> $(f.join(','), this).each(function() {
> var n = this.name || this.id;
> var t = this.type;
>
> if (!n || this.disabled || t == 'reset' ||
> (t == 'checkbox' || t == 'radio') && !this.checked ||
> (t == 'submit' || t == 'image' || t == 'button')
> && this.form.clicked != this ||
> this.tagName == 'SELECT' && this.selectedIndex == -1)
> return;
>
> if (t == 'image' && this.form.clicked_x)
> return a.push(
> {name: n+'_x', value: this.form.clicked_x},
> {name: n+'_y', value: this.form.clicked_y}
> );
>
> if (t == 'select-multiple') {
> $('option', this).each( function() {
> if (this.selected)
> a.push({name: n, value: this.value ||
> $(this).text()});
> });
> return;
> }
>
> a.push({name: n, value: this.value});
> });
>
> return a;
> };
>
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