0823 add initial js and css

myjs.js

@@ -0,0 +1,21 @@
+const list = document.createElement('ul');
+const info = document.createElement('p');
+const html = document.querySelector('html');
+
+info.textContent = 'Below is a dynamic list. Click anywhere on the page to add a new list item. Click an existing list item to change its text to something else.';
+
+document.body.appendChild(info);
+document.body.appendChild(list);
+
+html.onclick = function() {
+  const listItem = document.createElement('li');
+  const listContent = prompt('What content do you want the list item to have?');
+  listItem.textContent = listContent;
+  list.appendChild(listItem);
+
+  listItem.onclick = function(e) {
+    e.stopPropagation();
+    const listContent = prompt('Enter new content for your list item');
+    this.textContent = listContent;
+  }
+}