execute 'btoa' on 'Window': The string to be encoded contains characters outside of the Latin1 range

Uncaught DOMException: Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the Latin1 range.

解决方法：

使用window.btoa加密失败，报错如下:

Uncaught DOMException: Failed to execute 'btoa' on 'Window': The string to be encoded contains characters outside of the Latin1 range.

原因是加密的的字符串中有特殊字符那些，所以得先使用window.encodeURIComponent编码再加密。

var str64 = window.btoa(window.encodeURIComponent(str))

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