Use caution when using javascript in less

templates/pages/doc.md

@@ -582,7 +582,10 @@ This is called an "escaped value", which will result in:
 JavaScript evaluation
 ---------------------
 
-JavaScript expressions can be evaluated as values inside .less files. This is done by wrapping the expression
+JavaScript expressions can be evaluated as values inside .less files. We reccomend using caution with this feature
+as the less will not be compilable by ports and it makes the less harder to mantain. If possible, try to think of a
+function that can be added to achieve the same purpose and ask for it on github. We have plans to allow expanding the
+default functions available. However, if you still want to use JavaScript in .less, this is done by wrapping the expression
 with back-ticks:
 
     @var: `"hello".toUpperCase() + '!'`;