doc: fix an output example in repl.md

Make `_` reassignment example match more with the current output. Extend the example for more clarity. PR-URL: #10244 Reviewed-By: Anna Henningsen <[email protected]> Reviewed-By: Sakthipriyan Vairamani <[email protected]> Reviewed-By: James M Snell <[email protected]>
nodejs · Jan 4, 2017 · b8e2711 · b8e2711
1 parent ae61232
commit b8e2711
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/doc/api/repl.md b/doc/api/repl.md
@@ -140,18 +140,22 @@ global or scoped variable, the input `fs` will be evaluated on-demand as
 
 The default evaluator will, by default, assign the result of the most recently
 evaluated expression to the special variable `_` (underscore).
+Explicitly setting `_` to a value will disable this behavior.
 
 ```js
 > [ 'a', 'b', 'c' ]
 [ 'a', 'b', 'c' ]
 > _.length
 3
 > _ += 1
+Expression assignment to _ now disabled.
+4
+> 1 + 1
+2
+> _
 4
 ```
 
-Explicitly setting `_` to a value will disable this behavior.
-
 ### Custom Evaluation Functions
 
 When a new `repl.REPLServer` is created, a custom evaluation function may be