doc: add an example about multiple extensions

`path.extname` returns only the last extension
11 years ago · 154d9d2163
1 changed files with 4 additions and 0 deletions
--- a/doc/api/path.markdown
+++ b/doc/api/path.markdown
@ -133,6 +133,10 @@ an empty string.  Examples:
    // returns
    '.html'

+    path.extname('index.coffee.md')
+    // returns
+    '.md'
+
    path.extname('index.')
    // returns
    '.'