How to give a line break through type script file?

Hi,

 

i am binding a wijmo flexy grid,dynamicaly in angular 2. Here i need to give a line break after id.(id in first line date in 2nd line) +' '+ and
is not working.Can anyone help me on this?

 

this.dataSource.push({

Name: item.Name,

street: item.street

updated: Id +' '+ this.transform(item.ApprovedDateTime, this.dateFormat, this.timeFormat)//here after Id i need a line break

});