JavaScript Quiz
Is JavaScript case-sensitive?
Yes
How does a FOR loop start?
for (i = 0; i <= 5; i++)
Where is the correct place to insert a JavaScript
Both the <head> section and the <body> section are correct
How do you create a function in JavaScript?
function myFunction()
How to write an IF statement for executing some code if "i" is NOT equal to 5?
if (i != 5)
What will the following code return: Boolean(10 > 9)
true
Which operator is used to assign a value to a variable?
=
How do you call a function named "myFunction"?
myFunction()
How do you write "Hello World" in an alert box?
alert("Hello World");
How can you add a comment in a JavaScript?
//This is a comment
The external JavaScript file must contain the <script> tag.
False
How to insert a comment that has more than one line?
/*This comment has more than one line*/
How can you detect the client's browser name?
navigator.appName
How do you find the number with the highest value of x and y?
Math.max(x, y)
What is the correct syntax for referring to an external script called "xxx.js"?
<script src="xxx.js">
Inside which HTML element do we put the JavaScript
<script>
How to write an IF statement in JavaScript?
if (i == 5)
JavaScript is the same as Java.
False
How do you round the number 7.25, to the nearest integer?
Math.round(7.25)
What is the correct JavaScript syntax to change the content of the HTML element below? <p id="demo">This is a demonstration.</p>
document.getElementById("demo").innerHTML = "Hello World!";
Which event occurs when the user clicks on an HTML element?
onclick
How do you declare a JavaScript variable?
var carName;
What is the correct way to write a JavaScript array?
var colors = ["red", "green", "blue"]
What is the correct JavaScript syntax for opening a new window called "w2" ?
w2 = window.open("http://www.w3schools.com");
How does a WHILE loop start?
while (i <= 10)