如何检查是否角度是否正确装入 [英] How to check if angular is loaded correctly

问题描述

让我们说，我想从CDN引用angularjs但我也想万一后备呼叫转移到CDN失败，例如指向本地JS文件。当涉及到JQuery的我所看到的例子，你会做的JavaScript是这样的：

 如果（typeof运算jQuery的=='不确定'）{
    ....
}
 

有什么类似的angularjs我能做什么？

解决方案

 如果（typeof运算角度==未定义）{
    ....
}
 

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') {
    ....
}

Is there anything similar for angularjs I can do?

解决方案

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

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