Create a string of variable length, filled with a repeated character

Question

So, my question has been asked by someone else in it\'s Java form here: Java - Create a new String instance with specified length and filled with specific character. Best so

Answer 1

You can use the first line of the function as a one-liner if you like:

function repeat(str, len) {
    while (str.length < len) str += str.substr(0, len-str.length);
    return str;
}