JavaScript returning NaN value -


i have 2 ui-slider, , have calculation on slide callback, it's returning nan value

$( document ).ready(function() {     $("#amount").slider({       range: "min",       value: 160000,       min: 10000,       max: 400000,       step: 1,       slide: function(event, ui) {         var interest = 0.0325;         var amount = parseint(ui.value);         var temp1 = amount * (interest / 12) / (1 - math.pow(1 + (interest / 12), -(years * 12)));         $('#currentamount').val(amount);         $('#monthly').text(math.round(temp1));       }   });   $("#years").slider({       range: "min",       value: 8,       min: 1,       max: 12,       step: 1,       slide: function(event, ui) {         var interest = 0.0325;        var years = parseint(ui.value);        var temp1 = amount * (interest / 12) / (1 - math.pow(1 + (interest / 12), -(years * 12)));        $('#yearsval').text(years);        $('#monthly').text(math.round(temp1));       }   }); });

i made fiddle: http://jsfiddle.net/kristianladd/w0xayf7t/

the reason why put on slide callback, if slide either of two, calculate.

simply read status other slider whenever slide called:

$( document ).ready(function() {     $("#amount").slider({       range: "min",       value: 160000,       min: 10000,       max: 400000,       step: 1,       slide: function(event, ui) {         var years = $('#years').slider("option", "value");         var interest = 0.0325;         var amount = parseint(ui.value);         var temp1 = amount * (interest / 12) / (1 - math.pow(1 + (interest / 12), -(years * 12)));         $('#currentamount').val(amount);         $('#monthly').text(math.round(temp1));       }   });   $("#years").slider({       range: "min",       value: 8,       min: 1,       max: 12,       step: 1,       slide: function(event, ui) {        var amount = $('#amount').slider("option", "value");        var interest = 0.0325;        var years = parseint(ui.value);        var temp1 = amount * (interest / 12) / (1 - math.pow(1 + (interest / 12), -(years * 12)));        $('#yearsval').text(years);        $('#monthly').text(math.round(temp1));       }   }); });

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