``js let originalHTML =

Hello Mr. Wayne, decide what to do:

• Call Alfred
• Take Thalia Al Gul to the cinema
• Save Gotham

<span>Use the mouse to choose an option.</span> `;

let newHTML = `

Hello Batman, decide what to do:

• Kill The Joker
• Save Thalia Al Gul
• Save Gotham

<span>Use the batarang to choose an option.</span> `;

// Diff HTML strings let output = htmldiff(originalHTML, newHTML);

// Show HTML diff output as HTML (crazy right?)! document.getElementById("output").innerHTML = output; ```

```css ins { text-decoration: none; background-color: #d4fcbc; }

del { text-decoration: line-through; background-color: #fbb6c2; color: #555; } ```