Question

I have an object which I have created as follows:

$(this).find('li').each(function(){
                var $itm = $(this);
                localproducts.push({
                    'dataid' : $itm.attr('data-id'), 
                    'datapackage' : $itm.attr('data-package'), 
                    'packageid' : ($itm.children('.packageid').text())
            });
        });

now I want to filter the created object localproducts, eg. I want to save all the dataids of items whose packageid is equal to 3 for example. I think it can be done with array filter but not sure how. Any help? thanks!

Answer 1

using filter

var matching = $(localproducts).filter(function(){  
    return this.packageid == 3;
});

---

using each

var dataids = new Array();

$(localproducts).each(function(){  
    if (this.packageid == 3) dataids.push(this.dataid);
});

---

Example: http://jsfiddle.net/hunter/tqTDQ/