runkit demo

README.md

@@ -50,7 +50,7 @@ const res = md.render(src);
 console.log(res);
 ```
 
-[demo as jsfiddle](https://jsfiddle.net/arve0/1kk1h6p3/4/)
+[demo in RunKit](https://runkit.com/embed/k48mqe5q6p56)
 
 ### Options
 

demo.js

@@ -1,10 +1,8 @@
-'use strict';
-var md = require('markdown-it')();
-var implicitFigures = require('markdown-it-implicit-figures');
+const md = require('markdown-it')();
+const implicitFigures = require('markdown-it-implicit-figures');
 
 md.use(implicitFigures, { dataType: true, figcaption: true });
 
-var src = 'text with ![](img.png)\n\n![Will become caption.](fig.png "Foo bar")\n\nanother paragraph';
-var res = md.render(src);
+const src = 'text with ![](img.png)\n\n![Will become caption.](fig.png "Foo bar")\n\nanother paragraph';
 
-console.log(res);
+md.render(src) // output below