javascript - My js code does not work as expected unless i use an alert message -

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i have input field :

    <input class="quantityinput" data-index="@table.rows.indexof(row)"  type="number" value="@row[col.columnname]" min="1"/>

here js code : 

$(document).ready(function () {     $(function () {         $(document).on('change', '.quantityinput', function () {             var data = {                 id: $(this).data('index'),                 value: $(this).val()             };             $.getjson("/order/basketsession/", data, function (result) { });             location.reload(true);             alert("hi!");         });     });

in controller:

public jsonresult basketsession(int id, int value)         {             (httpcontext.session["basket"] datatable).rows[id][2] = value;              return json(true);         }

if don't use alert, json func not wok when change value of input field using keybord mouse click increase or decrease 1 one works either if use alert or not(in chrome)

in firefox doesn't work @ all

i hope understand problem

as pointed out, ajax call , doesn't resolve immediately. without digging details, can use done method execute code when getjson returns data.

$(document).ready(function() {     $(document).on('change', '.quantityinput', function () {         var data = {             id: $(this).data('index'),             value: $(this).val()         };         $.getjson("/order/basketsession/", data).done(function(){           location.reload(true);           console.log("hi!");         });     }); });

this works because getjson return promise event happen in future. can find more info getjson , promises here.


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