If you don't want to use a variable..
text set text = mid(Browser.ExecJS("Date()"),4,3)
Browser.ExecJS("Date()") is a string..
You manipulate the string with the expression..
mid(text,index,count)
Mid() - is the expression
text - is the text you want to manipulate
index - is the number of the letter you want to start with
count - is the amount of letters you want to show