<pre class="shiki github-dark shaku"><code>function model(state, element) { let value = state.value; Object.defineProperty(state, "value", { get() { return value; }, set(newValue) { value = newValue; element.value = newValue; } }); element.value = value; element.addEventListener("change", () =&gt; { value = element.value; });}</code></pre>

Let's do some simple two-way binding. Please create a function model(state, element), to bind state.value to the HTMLInputElement element. const input…