javascript 在JS中使用字符串作为变量名？
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Using string as variable name in JS?
提问by buddy123
How can I make the code that follows to work?
我怎样才能使后面的代码工作？
var x = 'name';
and then, to use the value inside x, as it was a variable, and set it, so that if i want it to be NAME, i'll have the result:
然后，使用 x 中的值，因为它是一个变量，并设置它，以便如果我希望它是 NAME，我将得到结果：
var name = 'NAME';
Is it possible ?
是否可以 ？
回答by Tom van der Woerdt
Not directly, no. But, you can assign to window, which assigns it as a globally accessible variable :
不直接，不。但是，您可以分配给window，它将其分配为全局可访问变量：
var name = 'abc';
window[name] = 'something';
alert(abc);
However, a much better solution is to use your own object to handle this:
但是，更好的解决方案是使用您自己的对象来处理此问题：
var name = 'abc';
var my_object = {};
my_object[name] = 'something';
alert(my_object[name]);
回答by Thank you
I haven't seen the rest of your code, but a better way might be to use an object.
我还没有看到您的其余代码，但更好的方法可能是使用对象。
var data = {foo: "bar"};
var x = "foo";
data[x]; //=> bar
var y = "hello";
data[y] = "panda";
data["hello"]; //=> panda
I think this is a little cleaner and self-contained than the windowapproach
我认为这比window方法更清洁和独立
