我有一个示例模块,我想在不进行单独调用的情况下进行初始化,而是通过在使用者页面中具有一个数组,以便每个页面可以包含一个带有其所需模块名称的小数组。
我已经做到了,但是它没有调用模块:
var navModule = (function() {
var nav = {};
var navHTMLobjs = {
navList: $('#nav'),
listItems: $('#nav').find('li'),
listLinks: $('#nav').find('a')
};
nav.bindOver = function() {
navHTMLobjs.navList.on('mouseover mouseout', 'li a', function(e) {
if (e.type == 'mouseover') {
$(this).addClass('over');
}
if (e.type == 'mouseout') {
$(this).removeClass('over');
}
});
};
nav.isOverBinded = function() {
return navHTMLobjs.navList.data('events').hasOwnProperty('mouseover') && navHTMLobjs.navList.data('events').hasOwnProperty('mouseout');
};
nav.turnOff = function() {
navHTMLobjs.navList.off('mouseover mouseout');
};
nav.isNavTurnedOff = function() {
return !navHTMLobjs.navList.data.hasOwnProperty('events');
};
nav.init = function() {
this.bindOver();
};
return nav;
});
//var myNav = new navModule($('#nav'));
//myNav.init();
// So I want to only include this array which will be written by
//back end and each page will only have its required bits.
var pageModules = ['navModule'];
for (var m in pageModules) {
var fn = window[pageModules[m]];
//var fn = Function(pageModules[m]); This says navModule is not defined :(
if (typeof fn === 'function') {
var inner = new fn();
inner.init();
}
}
当前返回fn为undefined
还请让我知道这是否是解决此问题的正确方法,如果不是建议的话。
谢谢
最佳答案
可能是我不明白这一点,但是,如果您删除了覆盖匿名函数的括号,它将不会立即被调用,并且可以通过window[pageModules[m]]
进行调用
在您的情况下,函数立即调用nav.init-> nav.bindOver,它没有任何return语句,因此结果不确定
var navModule = function() {
var nav = {};
var navHTMLobjs = {
navList: $('#nav'),
listItems: $('#nav').find('li'),
listLinks: $('#nav').find('a')
};
nav.bindOver = function() {
navHTMLobjs.navList.on('mouseover mouseout', 'li a', function(e) {
if (e.type == 'mouseover') {
$(this).addClass('over');
}
if (e.type == 'mouseout') {
$(this).removeClass('over');
}
});
};
nav.isOverBinded = function() {
return navHTMLobjs.navList.data('events').hasOwnProperty('mouseover') && navHTMLobjs.navList.data('events').hasOwnProperty('mouseout');
};
nav.turnOff = function() {
navHTMLobjs.navList.off('mouseover mouseout');
};
nav.isNavTurnedOff = function() {
return !navHTMLobjs.navList.data.hasOwnProperty('events');
};
nav.init = function() {
console.log('i am called');
this.bindOver();
};
return nav;
};