如何创建一个JSON（jQuery），发布一个完整的数组

Question

I'm trying to create an event handler (jQuery) that will pick all elements of specific class, each unique ID value, post json array, loop through php, finally update view.

I have no problem with selecting one instance.

**Mostly looking how to create the array of id,value to pass for processing.

Thank You

Answer 1

You can do something like this (As a strting point):

$('.class').each(function(){
 // do somthing with $(this)
});

Of course, if you post some more details, I can expand on this.

Answer 2

This snippet will give you an array of the ids of the elements with class myclass:

var id_array = $.map($(".myclass"),function(el){return el.id;});

You can then send the array to your server as JSON, or as a comma separated string, or any other way you want.

Answer 3

To get an array of all selected elements

var elArray = $('.classToSelect').get();

After this you may use

$.each(elArray, function(el){
     var id = el.id;
     var value = el.value;
     //code goes here
}

A small plugin script from http://code.google.com/p/jquery-json/ is perfect for JSON encoding and decoding:

var postdata = $.toJSON(elArray);

generates a well formatted JSON string.