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Javascript Random Quiz For Newbies

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This quiz contains basic questions of Javascript language. It will help you see what you know or do not know about Javascript.

Time to do: 10 mins

Questions: 20

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How does a "while" loop start ?

while i=1 to 10

while (i<=10;i++)

while (i<=10)

How can you add a comment in a JavaScript ?

//This is a comment

'This is a comment

How can you find a client's browser name ?

browser.name

navigator.appName

client.navName

Inside which HTML element do we put the JavaScript ?

<js>

<javascript>

<scripting>

<script>

What is the correct way to write a JavaScript array ?

var txt = new Array("str1","str2","str3")

var txt = new Array(1:"str1",2:"str2",3:"str3")

var txt = new Array="str1","str2","str3"

var txt = new Array:1=("str1")2=("str2")3=("str3")

What is the correct syntax for referring to an external script called "xxx.js" ?

<script type="text/javascript" name="xxx.js">

<script type="text/javascript" src="xxx.js">

<script type="text/javascript" href="xxx.js">

How do you call a function named "myFunction" ?

myFunction()

call function myFunction

call myFunction()

How does a "for" loop start ?

for (i = 0; i <= 5; i++)

for i = 1 to 5

for (i = 0; i <= 5)

for (i <= 5; i++)

How do you find the number with the highest value of x and y ?

Math.ceil(x,y)

top(x,y)

Math.max(x,y)

ceil(x,y)

How do you create a function ?

function=myFunction()

function:myFunction()

function myFunction()

What is the correct JavaScript syntax for opening a new window called "newwindow" ?

newwindow=window.open("http://plusquiz.com");

newwindow=window.new("http://plusquiz.com");

How do you write "Hello World" in an alert box ?

alert("Hello World")

alertBox="Hello World"

msgBox("Hello World")

alertBox("Hello World")

What is the correct JavaScript syntax to insert a comment that has more than one line ?

//This comment has more than one line//

/*This comment has more than one line*/

Where is the correct place to insert a JavaScript ?

The <body> section

Both the <head> section and the <body> section are correct

The <head> section

What is the correct JavaScript syntax to write "Hello World" ?

("Hello World")

response.write("Hello World")

"Hello World"

document.write("Hello World")

The external JavaScript file must contain the <script> tag

True

False

How do you write a conditional statement for executing some code if "i" is equal to 5 ?

if i==5 then

if i=5

if (i==5)

if i=5 then

How do you write a conditional statement for executing some code if "i" is NOT equal to 5 ?

if (i <> 5)

if <>5

if =! 5 then

if (i != 5)

How do you put a message in the browser's status bar ?

status("put your message here")

window.status = "put your message here"

window.status("put your message here")

statusbar = "put your message here"

How do you round the number 7.25, to the nearest integer ?

rnd(7.25)

Math.round(7.25)

Math.rnd(7.25)

round(7.25)

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