knockout.js(js)代碼在IE中出現“意外地調用了方法或屬性”的錯誤

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標籤:blog   class   code   java   c   javascript   

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 var CartListViewModel = function () {     var self = this;       self.payment = [                 { name: "", value: 1 },                 { name: "", value: 2 },             ];       self.items = ko.observableArray([]);    // {‘id‘:1,‘data‘:[‘aa‘,‘bb‘]}       self.load = function () {                    var data = <%=cartListMap %>;                     var items = new Array();         for (var i in data) {             var dataItem = data[i];               var cartItem = new CartItemViewModel()             。。。               items.push(cartItem);         }         self.items(items);     };       self.TotalSum = function(){         var totalsum = 0;         var ilength = this.items().length;         for(var idx = 0; idx < ilength; idx++)         {             var iItem = this.items()[idx];             if (iItem.selected())             {                 totalsum = totalsum + iItem.goodsPrice();             }         }              return totalsum.toFixed(2);                }     }

 上面部分knockout.js代碼,其中,TotalSum函數中,return totalsum;(原來的代碼)在FF中正常運行,但在IE總出現“意外地調用了方法或屬性”的錯誤。後來在代碼後加了toFixed(2)後正常。

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