我已經遇到了一些代碼,它允許你函數名的字符串轉換爲一個函數,並使用它:將JavaScript字符串轉換爲對象方法並調用它?
var strFun = "someFunction";
var strParam = "this is the parameter";
//Create the function
var fn = window[strFun];
//Call the function
fn(strParam);
我想知道是否有辦法做到爲對象的方法相同,例如:
var fn = window["onclick"];
var body = document.body;
body.onclick = function() {
alert('yo');
}
// This won't work [Uncaught TypeError: Object #<HTMLBodyElement> has no method 'fn']
body.fn(); // expecting body.onclick(); via substitution of fn with a onclick function
什麼不起作用? – rlemon 2012-04-05 03:05:44
哎呦我抽象地思考,我忘了那是有效的JavaScript代碼,我重新說了我想說的話。 – Derek 2012-04-05 03:11:34
@Derek:你的代碼仍然沒有意義。你正在創造一件事,並打電話給另一件事。 – 2012-04-05 03:14:24