YouTipWindow atob() Method
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Window atob() Method
Definition and Usage
The atob() method is used to decode a base-64 encoded string.
The base-64 encoding method is btoa().
Syntax
window.atob(encodedStr)
Parameter Description:
- encodedStr: Required. A string encoded by the btoa() method.
Return Value
This method returns a decoded string.
Browser Support
The numbers in the table specify the first browser version that fully supports the method.
| Method | |||||
|---|---|---|---|---|---|
| atob() | Yes | 10.0 | 1.0 | Yes | Yes |
Example
Example
Display an alert box:
var str = "";
var enc = window.btoa(str);
var dec = window.atob(enc);
var res = "Encoded string is: " + enc + "<br>" + "Decoded string is: " + dec;