Use const instead of let

Author: knagurski

composed-composed-path/main.js

@@ -3,29 +3,30 @@ customElements.define('open-shadow',
     constructor() {
       super();
 
-      let pElem = document.createElement('p');
+      const pElem = document.createElement('p');
       pElem.textContent = this.getAttribute('text');
 
-      let shadowRoot = this.attachShadow({mode: 'open'})
-        .appendChild(pElem);
-
+      const shadowRoot = this.attachShadow({mode: 'open'});
+      shadowRoot.appendChild(pElem);
+    }
   }
-});
+);
 
 customElements.define('closed-shadow',
   class extends HTMLElement {
     constructor() {
       super();
 
-      let pElem = document.createElement('p');
+      const pElem = document.createElement('p');
       pElem.textContent = this.getAttribute('text');
 
-      let shadowRoot = this.attachShadow({mode: 'closed'})
-        .appendChild(pElem);
+      const shadowRoot = this.attachShadow({mode: 'closed'});
+      shadowRoot.appendChild(pElem);
+    }
   }
-});
+);
 
-document.querySelector('html').addEventListener('click',function(e) {
+document.querySelector('html').addEventListener('click', e => {
   console.log(e.composed);
   console.log(e.composedPath());
 });