update snippets 96-107

snippets/repeatString.md

@@ -8,6 +8,9 @@ If no string is provided the default is `""` and the default number of times is
 const repeatString = (str="",num=2) => {
     return num >= 0 ? str.repeat(num) : str;
 }
-// repeatString("abc",3) -> 'abcabcabc'
-// repeatString("abc") -> 'abcabc'
+```
+
+```js
+repeatString("abc",3) -> 'abcabcabc'
+repeatString("abc") -> 'abcabc'
 ```