Javascript

Question: Which is/are JavaScript core object(s)?
A
Math.

B
Array.

C
Window.

D
Document.

Note: Not available
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Question: What is/are the correct string concatenation?
A
var age=21; var str=”My”+”age”+”is ”+age;

B
var age=21; var str=My+age+is+age;

C
var age=21; var str=”My”+”age”+is ”+age;

D
var age=21; var str=My+”age”+is+age;

E
var age=21; var str="My age is "+age;

Note: Not available
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Question: Which are the correct comparison operators?
A
>=,=<,==,!=

B
=<,=>,==,=!

C
>=,<=,==,!=

D
>=,<=,==,=!

Note: = sign always be in the right side of the comparison operator
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Question: What is the correct form element referencing?
A
document.form.element

B
document.element

C
window.element

D
window.form.element

Note: Not available
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Question: Why “new” keyword is used in JavaScript?
A
To create a new function

B
To create a new class

C
To create a new object

D
To create a new attribute

Note: Not available
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Question: How do you make comment in JavaScript?
A
// comment

B
/* comment */

C
<!—comment -->

D
/* comment

Note: Not available
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Question: What does DOM stands for?
A
Dynamic Object Model

B
Document Objective Model

C
Document Object Model

D
Not as above all

Note: Not available
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Question: What does BOM stands for?
A
Browser Object Model

B
Building Object Model

C
Before Object Model

D
Not as above all

Note: Not available
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Question: An object is embedded with _____.
A
Both functions and attributes

B
Only functions

C
Only attributes

D
nothing

Note: Not available
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Question: What is the correct output for the following code?
var str=”This is a text.”; alert(str.charAt(3));
A
i

B
s

C
white space

D
none

Note: Not available
1. Report

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Question: Which is/are JavaScript core object(s)?

Question: What is/are the correct string concatenation?

Question: Which are the correct comparison operators?

Question: What is the correct form element referencing?

Question: Why “new” keyword is used in JavaScript?

Question: How do you make comment in JavaScript?

Question: What does DOM stands for?

Question: What does BOM stands for?

Question: An object is embedded with _____.

Question: What is the correct output for the following code?
var str=”This is a text.”; alert(str.charAt(3));

Question: Which is/are JavaScript core object(s)?

Question: What is/are the correct string concatenation?

Question: Which are the correct comparison operators?

Question: What is the correct form element referencing?

Question: Why “new” keyword is used in JavaScript?

Question: How do you make comment in JavaScript?

Question: What does DOM stands for?

Question: What does BOM stands for?

Question: An object is embedded with _____.

Question: What is the correct output for the following code?var str=”This is a text.”; alert(str.charAt(3));

Question: What is the correct output for the following code?
var str=”This is a text.”; alert(str.charAt(3));