read json array
sum data
by bryiantan
HTML
<div id="abc">
</div>
<div id="total">
</div>
JavaScript
var arr_question = [{"$1z_1":3,"$2o_1":"Question 1."},{"$1z_1":3,"$2o_1":"Question2."},{"$1z_1":3,"$2o_1":"Question3."}];
var total =0;
var output = '';
$.each(arr_question, function(i, item) {
output +='$1z_1: ' + arr_question[i]["$1z_1"] + '<br/>';
total += arr_question[i]["$1z_1"];
});
$("#abc").html(output);
$("#total").html('Total: ' + total);