(docs) Add an example for ternary conditional (#548)

* Add ternary example

* Remove extra whitespace

docs/programming.md

@@ -48,7 +48,25 @@ The expression `predicate` is evaluated. If its effective boolean value (see de
 
 __Examples__
 
-TBD
+<div class="jsonata-ex">
+ <div>Account.Order.Product.{
+ `Product Name`: $.Price > 100 ? "Premium" : "Basic"
+}</div>
+ <div>[
+ {
+ "Bowler Hat": "Basic"
+ },
+ {
+ "Trilby hat": "Basic"
+ },
+ {
+ "Bowler Hat": "Basic"
+ },
+ {
+ "Cloak": "Premium"
+ }
+]</div>
+</div>
 
 ## Variables