Rename js snippets

snippets/js/s/html-element-has-class.md

@@ -0,0 +1,20 @@
+---
+title: Check if HTML element has class
+type: snippet
+language: javascript
+tags: [browser,css]
+cover: interior
+dateModified: 2020-10-19T22:49:51+03:00
+---
+
+Checks if the given element has the specified class.
+
+- Use `Element.classList` and `DOMTokenList.contains()` to check if the element has the specified class.
+
+```js
+const hasClass = (el, className) => el.classList.contains(className);
+```
+
+```js
+hasClass(document.querySelector('p.special'), 'special'); // true
+```