multiplication - jQuery multiply only values that are not hidden -

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i pondering how add values of inputs specific names via jquery if container div set display block.

something link if ($('#product_' + this.alt).css('display','block')) {

then needs add .each fetching input this.

$('#product_price_total_pri_' + this.alt).val

any ideas on how put of together?

edit:

obviously should clarify. encased in alt tag of multiple checkboxes , radio buttons id corresponds ids of hidden containers , fields. therefore combination of buttons , checkboxes checked determines hidden areas visible seen here.

function product_analysis_global() { $(':checked').each(function(){     $('#product_' + this.alt).css('display','block');     $('#product_quantity_pri_' + this.alt).val(this.value);     var quantity = $('#product_quantity_pri_' + this.alt).val();     var price = $('#product_price_pri_' + this.alt).val();     var duration = $('#product_duration_pri_' + this.alt).val();     var dives = $('#product_dives_pri_' + this.alt).val();     var hire = $('#product_quantity_pri_' + this.alt).val();      $('#product_price_total_pri_' + this.alt).val(price * quantity);     $('#product_duration_total_pri_' + this.alt).val(duration * quantity);     $('#product_dives_total_pri_' + this.alt).val(dives * quantity);     $('#product_hire_total_pri_' + this.alt).val(hire * quantity);  });

what need field called 'gt_grand_total' sum of fields area '#product_price_total_pri_' + this.alt).val()' if panel '#product_' + this.alt visible.

as per requirement

var arr = $("div[id*='product_']").not(":hidden").map(function(){   return $(this).find("input[id*='product_price_total_pri_']").val(); }).get();     var total = 0; $.each(arr,function() {     total += parseint(this); }); alert(total);

or total

var total = eval(arr.join('+'));  alert(total);

working example

http://jsfiddle.net/wb5hh/2/


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