(function(){
var privateSomething = "Boom!";
var fn = function(){}
fn.addFunc = function(obj) {
alert('Yeah i can do this: '+privateSomething);
for(var i in obj) fn[i] = obj[i];
}
window.fn=fn;
})();
fn.addFunc({
whereAmI:function()
{
alert('Nope I\'ll get an error here: '+privateSomething);
}
});
fn.whereAmI();
为什么不能whereAmI()访问privateSomething?以及如何将placeAmI()放在与addFunc()相同的上下文中?Javascript Scope in Injected Function
'this'是关键字而非变量。它与范围无关。 – Esailija 2012-07-21 11:59:13
哎呀。所以没有去获得这个变量吧? – lilturtle 2012-07-21 11:59:24
'this'是对一个对象(或'undefined')的引用,并且它是动态解析的。 – 1983 2012-07-21 13:20:20