如何检查角度是否正确加载 [英] How to check if angular is loaded correctly

问题描述

假设我想从 CDN 引用 angularjs，但我也希望在对 CDN 的调用失败的情况下进行回退，例如指向本地 js 文件.说到 JQuery，我见过一些例子，你会在 javascript 中做这样的事情:

Let's say that I want to reference angularjs from a CDN but I would also like a fallback in case the call to the CDN fails, e.g. pointing to a local js-file. When it comes to JQuery I have seen examples where you would do something like this in javascript:

if(typeof jQuery == 'undefined') {
    ....
}

我可以为 angularjs 做类似的事情吗?

Is there anything similar for angularjs I can do?

推荐答案

if(typeof angular == 'undefined') {
    ....
}

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