src/helper.js
function repeat(ch, count)
{
    var s = '';
    for(var i = 0; i < count; i++)
        s += ch;
    return s;
}
function repeat(ch, count)
{
    var s = '';
    for(var i = 0; i < count; i++)
        s += ch;
    return s;
}
function repeat ( ch , count ) { var s = '' ; for ( var i = 0 ; i < count ; i ++ ) s += ch ; return s ; }
Create new string with ch repeated count times
@param {String} ch character to repeat (should have length = 1)
@param {Number} count number of repetitions of ch
@return {String}
Create new string with ch repeated count times