JavaScript Basics

Which HTML element can we write JavaScript in?

• <scripting>

• <script>

• <js>

• <source>

Evaluate

Number("1") - 1 == 0;

• true

• false

• TypeError

What is the result?

2+4 > 5 + 2;

• true

• false

• Nan

• TypeError

What is the correct JavaScript syntax to modify the content of the HTML element?

<p id="greeting">Hello, World!</p>

• document.getElementById("greeting").innerHTML = "Hello there!";

• #greeting.innerHTML = "Hello there!";

• document.getElementByName("p").innerHTML = "Hello there!";

• document.getElement("p").innerHTML = "Hello there!";

Which of the following statements will let us output values?

• innerHTML

• document.write

• alert

• console.log

What is the correct syntax for referring to an external JavaScript script?

• <script src="myscript.js"></script>

• <script href="myscript.js"></script>

• <js href="myscript.js"></js>

• <js src="myscript.js"></js>

How would you write Hello World in an pop up box?

• msg("Hello World");

• alertBox("Hello World");

• console.log("Hello World");

• alert("Hello World");

Which is the correct syntax to create a function with the name myFunction?

• function myFunction()

• function = myFunction()

• let function = myFunction()

• function: myFunction()

How do you call a function named getFullName within your JS code?

• function getFullName();

• getFullName();

• call getFullName;

• function.getFullName;

Which is the correct format of an if statement in JS?

• if [i == 2]

• if (i == 2)

• if i=2

• (i=2)?