docs: function gen_var_name(seedName) {
    var firstPart = sl.valueOf(seedName).match(/^[\$\_a-zA-Z][\$\_a-zA-Z0-9]+/);
    if(!firstPart) {
      firstPart = "var";
    }
  
    var numPart = Math.floor((Math.random() * 1000000) + 1);
  
    return "__" + firstPart + "_" + numPart;
  }