4CSM1-HTML

Javascript is an _______ language?

• Object-Oriented

• Object-Based

• Procedural

• All of the above

Which of the following methods is used to access HTML elements using Javascript?

• getElementbyId()

• getElementsByClassName()

• getElementByXpath()

• All of the above

What will be the output of the following code snippet?

<script type="text/javascript">

a = 5 + "9";

document.write(a);

</script>

• Error

• 14

• RuntimError

• 59

<script type="text/javascript" language="javascript">

var a = "Scaler";

var result = a.substring(2, 4);

document.write(result);

</script>

• al

• ale

• cal

• caler

<script type="text/javascript" language="javascript">

var x=12; var y=8;

var res=eval("x+y");

document.write(res);

</script>

• 20

• x+y

• 128

• None of the Above

What keyword is used to check whether a given property is valid or not?

• in

• is in

• exists

• lies

(function(){

setTimeout(()=> console.log(1),2000);

console.log(2);

setTimeout(()=> console.log(3),0);

console.log(4); })();

• 1 2 3 4

• 2 3 4 1

• 2 4 3 1

• 4 3 2 1

What is the smallest header in HTML by default?

• h1

• h2

• h6

• h4

How to create an ordered list in HTML?

• <ul>

• <ol>

• <href>

• <b>

HTML files are saved by default with the extension?

• html

• htmn

• htmlx

• ALL of the Above