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第 116 期(W3C 标准-JavaScript)：atob & btoa —— base64 的解码编码 #119

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wingmeng opened this issue Sep 25, 2019 · 0 comments
Open

第 116 期(W3C 标准-JavaScript)：atob & btoa —— base64 的解码编码 #119

wingmeng opened this issue Sep 25, 2019 · 0 comments

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@wingmeng
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atob() 和 btoa() 方法用于对字符串进行 base64 解码和编码，其中：

  • atob() 用于解码，例如：window.atob('aGVsbG8gd29ybGQ=')
  • btoa() 用于编码，例如：window.btoa('hello world')

它们 API 的命名颇具喜感，这里要注意 不要 把 atob 望文生义成 Any to Base64。可以这样来记忆：
字母 A 排在 字母 B 前面，所以 A 要比 B “高级”，A 就代表高级的 Base64，而 B 则代表普通的字符串。
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@wingmeng