Window btoa() Method

btoa()Method encoding base-64The string.

This method uses the string "AZ", "az", "0-9”，“ +”，“ /Encode the string using the " and " = " characters.

Usageatob()Method for base-64Decode the encoded string.

Syntax:

window.btoa(str)

Example

var str = "Hello World";
var enc = window.btoa(str);
var ans = "String Encoding: "　+　enc;

The number in the table specifies the first browser version that fully supports the btoa() method:

Method
btoa()	Is	1	Is	Is	10

Parameter	Description
str	To encode the string

Return Value:	A string representing base-64Encoded String

Window (Window) Reference:atob() Method