Update helper.md (hexojs#940)

mibb005 · Apr 21, 2019 · b0aad09 · b0aad09
1 parent 7a8f0e7
commit b0aad09
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/source/api/helper.md b/source/api/helper.md
@@ -30,3 +30,11 @@ hexo.extend.helper.register('js', function(path){
 ### Where to place custom helper?
 
 Place it under `themes/<yourtheme>/scripts`
+
+### How do I use another registered helper inside my custom helper?
+
+`hexo.extend.helper.get` will return the helper function, but it needs to have hexo as its context, so:
+
+``` js
+const url_for = hexo.extend.helper.get('url_for').bind(hexo);
+```