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showing results for - "js base64 encoding"
Antonio
06 Sep 2018
1var string = "Hello folks how are you doing today?";
2var encodedString = btoa(string); // Base64 encode the String
3var decodedString = atob(encodedString); // Base64 decode the String
4
source
Amy
06 Sep 2016
1const encoded = window.btoa('Alireza Dezfoolian'); // encode a string
2const decoded = window.atob(encoded); // decode the string
3
source
Perrine
23 Jan 2018
1str = "The quick brown fox jumps over the lazy dog";
2b64 = btoa(unescape(encodeURIComponent(str)));
3str = decodeURIComponent(escape(window.atob(b64)));
Atlanta
03 Apr 2020
1var decode = function(input) {
2        // Replace non-url compatible chars with base64 standard chars
3        input = input
4            .replace(/-/g, '+')
5            .replace(/_/g, '/');
6
7        // Pad out with standard base64 required padding characters
8        var pad = input.length % 4;
9        if(pad) {
10          if(pad === 1) {
11            throw new Error('InvalidLengthError: Input base64url string is the wrong length to determine padding');
12          }
13          input += new Array(5-pad).join('=');
14        }
15
16        return input;
17    }
18
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