javascript - Calculating price from selected options in jquery -


my html code : 

<select class="form-control b3 pricing" name="b3">   <option data-price="0" data-cheap="0">0</option>   <option data-price="20" data-cheap="30">1</option>   <option data-price="40" data-cheap="60">2</option>           <option data-price="60" data-cheap="90">3</option>   <option data-price="80" data-cheap="120">4</option>   <option data-price="100" data-cheap="150">5</option> </select>

my jquery code : 

$(document).ready(function () {             var cheap=false;         $('.day1').on('change', function (e) {             var optionselected = $("option:selected", this);             var valueselected = optionselected.val();             if(valueselected=="saturday")             {                 cheap=true;                 alert(cheap);                                }else{                 cheap=false;                 alert(cheap);             }         });     $('.pricing').change(function(){         var price = parsefloat($('.total').data('base-price'));         $('.pricing').each(function(i, el) {                 if(cheap==false){                     price += parsefloat($('option:selected', el).data('price'));                 }else{                     price+= parsefloat($('option:selected').data('cheap'));                 }         });                     $('.total').val('$'+price.tofixed(2));     });  });

i want when day selected saturday data-cheap has taken , when other days selected data-price should calculated. help?

the problem see not passing context cheap query

$(document).ready(function () {     var cheap = false;     $('.day1').on('change', function (e) {         cheap = $(this).val() == "saturday";     });     $('.pricing').change(function () {         var price = parsefloat($('.total').data('base-price')) || 0;         $('.pricing').each(function (i, el) {             price += parsefloat($('option:selected', el).data(cheap ? 'cheap' : 'price'));             console.log('x', price)             $('.total').val('$' + price.tofixed(2));         });     }); });

demo: fiddle


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