math random char code example

Example: javascript random char

const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
function generateRandomCode(){
    let result = ""
    let charactersLength = characters.length;
    for ( var i = 0; i < 6 ; i++ ) {
        result += characters.charAt(Math.floor(Math.random() * charactersLength));
    }
    return result
}