192
86.4k
Chapter:

60+ JavaScript Solved MCQs

in Web Technology

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Computer Applications (BCA) , Bachelor of Business Administration in Computer Applications (BBA [CA]) .

Chapters

Take a Test
Chapter: JavaScript
51.

Inside which HTML element do we put the JavaScript?

A. <js>
B. <scripting>
C. <script>
D. <javascript>
Answer» C. <script>
discuss
52.

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

A. <script href=" abc.js">
B. <script name=" abc.js">
C. <script src=" abc.js">
D. None of the above
Answer» C. <script src=" abc.js">
discuss
53.

Which types of image maps can be used with JavaScript?

A. Server-side image maps
B. Client-side image maps
C. Server-side image maps and Client-side image maps
D. None of the above
Answer» B. Client-side image maps
discuss
54.

Which of the following navigator object properties is the same in both Netscape
and IE?
A. navigator.appCodeName
B. navigator.appName
C. navigator.appVersion
D. None of the above
Answer» A. navigator.appCodeName
discuss
55.

Which is the correct way to write a JavaScript array?

A. var txt = new Array(1:"tim",2:"kim",3:"jim")
B. var txt = new Array:1=("tim")2=("kim")3=("jim")
C. var txt = new Array("tim","kim","jim")
D. var txt = new Array="tim","kim","jim"
Answer» C. var txt = new Array("tim","kim","jim")
discuss
56.

What does the <noscript> tag do?

A. Enclose text to be displayed by non-JavaScript browsers.
B. Prevents scripts on the page from executing.
C. Describes certain low-budget movies.
D. None of the above
Answer» A. Enclose text to be displayed by non-JavaScript browsers.
discuss
57.

If para1 is the DOM object for a paragraph, what is the correct syntax to change the text within the paragraph?

A. "New Text"?
B. para1.value="New Text";
C. para1.innerText = "New Text
D. para1.nodeValue="New Text";
Answer» C. para1.innerText = "New Text
discuss (1)
58.

JavaScript entities start with _______ and end with _________.

A. Semicolon, colon
B. Semicolon, Ampersand
C. Ampersand, colon
D. Ampersand, semicolon
Answer» D. Ampersand, semicolon
discuss
59.

Which of the following best describes JavaScript?

A. a low-level programming language.
B. a scripting language precompiled in the browser.
C. a compiled scripting language.
D. an object-oriented scripting language.
Answer» D. an object-oriented scripting language.
discuss
60.

Choose the server-side JavaScript object?

A. FileUpLoad
B. Function
C. File
D. Date
Answer» C. File
discuss
61.

Choose the client-side JavaScript object?

A. Database
B. Cursor
C. Client
D. FileUpLoad
Answer» D. FileUpLoad
discuss
62.

Which of the following is not considered a JavaScript operator?

A. new
B. this
C. delete
D. typeof
Answer» B. this
discuss
63.

______method evaluates a string of JavaScript code in the context of the
specified object.
A. Eval
B. ParseInt
C. ParseFloat
D. Efloat
Answer» A. Eval
discuss
64.

Which of the following event fires when the form element loses the focus:
<button>, <input>, <label>, <select>, <textarea>?
A. onfocus
B. onblur
C. onclick
D. ondblclick
Answer» B. onblur
discuss
65.

The syntax of Eval is _______.

A. [objectName.]eval(numeriC.
B. [objectName.]eval(string)
C. [EvalName.]eval(string)
D. [EvalName.]eval(numeriC.
Answer» B. [objectName.]eval(string)
discuss
66.

JavaScript is interpreted by ______
Sol:
.

A. Client
B. Server
C. Object
D. None of the above
Answer» A. Client
discuss
67.

Using _______ statement is how you test for a specific condition.

A. Select
B. If
C. Switch
D. For
Answer» B. If
discuss

Done Studing? Take A Test.

Great job completing your study session! Now it's time to put your knowledge to the test. Challenge yourself, see how much you've learned, and identify areas for improvement. Don’t worry, this is all part of the journey to mastery. Ready for the next step? Take a quiz to solidify what you've just studied.

Take a Test