\n not working in Visual Builder

Summary

I have a JS function with the '\n' special character but it doesn't work

Content

Hi guys I have this JS function:

 FlowModule.prototype.armaDetalles = function(arrayIn) {
    var vComments = "";
    for (var i = 0; i < arrayIn.length; ++i) {
      vComments += "COMENTARIO "+(i+1)+": " + arrayIn[i].commentStr + '\n';
    }

    return vComments;
  };

This function splits an array into separate comments, the thing is that '\n' is not working to make a line jump between for example comment 1 and comment 2, etc. I have tried different characters but It doesn´t work. For some reason, Visual Builder puts a blank space in the '\n' place. Thank you very much!!