Answers for "node js check for base64"

1

js check if string is base64

function isBase64(str) {
    if (str ==='' || str.trim() ===''){ return false; }
    try {
        return btoa(atob(str)) == str;
    } catch (err) {
        return false;
    }
}
Posted by: Guest on September-01-2021
3

nodejs base64

//--------------- HOW TO ENCODE BASE64 ON NODEJS ----------------------
//create a buffer of the text "Hello World"
var buffer = Buffer.from('Hello World');
//buffer result is: <Buffer 48 65 6c 6c 6f 20 57 6f 72 6c 64>

var string64 = buffer.toString('base64');
// .toString('base64') allow to encode it to base64
// result is: SGVsbG8gV29ybGQ=

// Can be use combined together like these
console.log(Buffer.from('Hello World').toString('base64'));
// result is: SGVsbG8gV29ybGQ=
Posted by: Guest on July-29-2021

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