Quiz: Javascript

Question: 1

What is the correct JavaScript syntax to change the content of the HTML element below? <p id="demo">This is a demonstration.</p>

1. document.getElementByName("p").innerHTML = "Hello World!";
2. document.getElement("p").innerHTML = "Hello World!";
3. #demo.innerHTML = "Hello World!";
4. document.getElementById("demo").innerHTML = "Hello World!";