Capitalize first letter, get current URL

snippets/capitalize-first-letter.md

@@ -0,0 +1,7 @@
+### Capitalize first letter
+
+Use `toUpperCase()` to capitalize first letter, `slice(1)` to get the rest of the string.
+
+```js
+var capitalize = str => str[0].toUpperCase() + str.slice(1);
+```

snippets/current-URL.md

@@ -0,0 +1,7 @@
+### Current URL
+
+Use `window.location.href` to get current URL.
+
+```js
+var currentUrl = _ => window.location.href;
+```