Javascript:混合构造函数模式和显示模块模式 [英] Javascript: Mixing constructor pattern and Revealing Module Pattern
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问题描述
有什么办法可以让Javascript类扩展通过显示模块模式创建的对象?我尝试了以下代码,但是是否可以实现相同的目的?
Is there any way I can do have a Javascript class that extends an object that was created through the revealing module pattern? I tried the following code, but is there away to achieve the same thing?
sv.MergeQuestionViewModel = function () {
this = sv.QuestionDetailViewModal();
this.init($("#mergeQuestionModel"));
};
sv.QuestionDetailViewModal = function () {
var $el,
self = this,
_question = ko.observable(),
_status = new sv.Status();
var _init = function (el) {
$el = el;
$el.modal({
show: false,
backdrop: "static"
});
};
var _show = function () {
$el.modal('show');
};
var _render = function (item) {
_question(new sv.QuestionViewModel(item));
_show();
};
var _reset = function () {
_question(null);
_status.clear();
};
var _close = function () {
$el.modal('hide');
_reset();
};
return {
init: _init,
show: _show,
render: _render,
reset: _reset,
close: _close
};
};
推荐答案
您可以使用jQuery.extend
来实现此行为.
You could use jQuery.extend
to achive this behaviour.
sv.MergeQuestionViewModel = function () {
$.extend(this, sv.QuestionDetailViewModal);
this.init($("#mergeQuestionModel"));
};
sv.QuestionDetailViewModal = (function () {
var el,
_init = function($el) {
el = $el;
console.log('init', el);
},
_render = function() {
console.log('render', el);
};
return {
init : _init,
render : _render
};
}());
var view = new sv.MergeQuestionViewModel();
view.render();
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