[英]how to load modules into other modules in knockout js AMD helpers
我如何將javascript模塊加載到另一個模塊中以供使用,例如,我想要一個模塊具有一個對象,而我想使用該模塊在另一個模塊中創建該對象的實例。
示例:對象模塊:
`
define(["knockout"],function(){ var postobj = function(name,age){ this.name = ko.observable(name); this.age = ko.observable(age); } });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.1.0/knockout-min.js"></script>
define(["knockout"],function(ko){ this.posts = ko.observableArray(); var people = [{name: "katuula Kalali Joel", age: "23"}, {name: "keman Migadde", age: "30"}, {name: "Ntanda Hakim", age: "19"}]; jQuery.each(people,function(index,value){ this.posts.push(new imageobj(value['name'],value['age'])); },this); });
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.1.0/knockout-min.js"></script>
我收到此錯誤“未捕獲的ReferenceError:未定義postobj”
您可能希望將原始模塊作為第二個模塊的參考。 在第二篇文章中,您似乎正在使用imageobj
,但是我假設這與您的postobj
類似。
因此,您希望模塊看起來像這樣:
define(["knockout"],function(){
var postobj = function(name,age){
this.name = ko.observable(name);
this.age = ko.observable(age);
};
// important to return the value of your module
return postobj;
});
在第二個模塊中,您將像以下那樣拉入第一個模塊:
define(["knockout", "path/to/postobj"],function(ko, Postobj){
function ViewModel() {
this.posts = ko.observableArray();
var people = [{name: "katuula Kalali Joel", age: "23"},
{name: "keman Migadde", age: "30"},
{name: "Ntanda Hakim", age: "19"}];
jQuery.each(people,function(index,value){
this.posts.push(new Postobj(value['name'],value['age']));
},this);
}
return new ViewModel();
});
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