MCQ 1 JavaScript is designed for following purpose -

(A) To add interactivity to HTML Pages. (B) To Execute Query Related to DB on Server (C) To Perform Server Side Scripting Opertion (D) To Style HTML Pages

MCQ 2 Which of the following is not JavaScript Data Types?

(A) Undefined (B) Number (C) Boolean (D) float

MCQ 3 Select all the correct option(s). State the correct place of JS Code inside HTML -

(A) Inside Body (B) Inside Head (C) Inside Single JavaScript File (D) All of the above

MCQ 4 Javascript is _________________ language.

(A) Scripting (B) Application (C) Programming (D) All of the above

MCQ 5 Select Appropriate Option(s) : JavaScript is can be written

(A) directly on the Server Script (B) directly into JS file and included into HTML (C) not directly into HTML pages (D) None of these

MCQ 6 What is the extension of javascript file

(A) htm (B) javascript (C) php (D) js

MCQ 7 JavaScript is an _________________ language.

(A) compiled (B) interpreted (C) Both A and B (D) None of the above

MCQ 8 JavaScript Code is written inside file having extension __________.

(A) .jsc (B) .javascript (C) .js (D) All of the above

MCQ 9 Why JavaScript is called as Lightweight Programming Language ?

(A) JS can provide programming functionality inside but up to certain extend. (B) JS is available free of cost. (C) JS is client side scripting (D) we can add programming functionality inside JS

MCQ 10 Local Browser used for validations on the Web Pages uses _________________.

(A) css (B) js (C) java (D) html

MCQ 11 We can embed JS code inside HTML directly ?

(A) Yes (B) No (C) Can't say (D) None of the above

MCQ 12 Select all the correct option(s). State the correct place of JS Code inside HTML -

(A) Inside Body (B) Inside Head (C) Inside Single JavaScript File (D) All of the above

MCQ 13 Is this correct syntax to include JS Code inside HTML Page ?
<script type=\"text/javascript\">
. . . .
</script>

(A) Yes (B) No (C) Can't say (D) None of the above

MCQ 14 It is good programming procedure to include JS in a external sheet and make it available than writing inside HTML.

(A) I Agree !! (B) I Don't Agree !! (C) Can't say (D) None of the above

MCQ 15 JS code included inside head section is loaded before loading page.

(A) Yes (B) No (C) Can't say (D) None of the Above

MCQ 16 The async attribute can be set in the following ways -

(A) < script async > (B) < script async="async" > (C) < script async="" > (D) All of the above

MCQ 17 _________________ attribute is used to specify the character encoding used in an external script file.

(A) type (B) charset (C) character (D) None of the above

MCQ 18 Which of the following Attribute is used to include External JS code inside your HTML Document -

(A) extension (B) script (C) link (D) src

MCQ 19 In order to Hide JS to be shown as its page content ,which Comment is Used ?

(A) < ! --
----------------
----------------
-- > (B) /* ------
------ */ (C) // ----------------- (D) ----------------
---------------- //-- >

MCQ 20 We use __________________ style comment to prevent showing Java Script as Content in the old browsers.

(A) js (B) css (C) jsp (D) html

MCQ 21 Which was the first browser to support JavaScript ?

(A) Chrome (B) Netscape (C) Firefox (D) Google

MCQ 22 Which company developed JavaScript?

(A) Netscape (B) Bell Labs (C) Sun Microsystems (D) IBM

MCQ 23 Which of the following is true about variable naming conventions in JavaScript?

(A) JavaScript variable names must begin with a letter or the underscore character. (B) JavaScript variable names are case sensitive. (C) Both of the above (D) None of the above

MCQ 24 Which of the following function of String object returns the characters in a string beginning at the specified location through the specified number of characters?

(A) slice() (B) split() (C) search() (D) substr()

MCQ 25 Which of the following function of String object creates an HTML hypertext link that requests another URL?

(A) link() (B) sub() (C) sup() (D) small()

MCQ 26 Which of the following is correct about features of JavaScript?

(A) It can not Handling dates and time. (B) JavaScript is a object-based scripting language. (C) JavaScript is not interpreter based scripting language. (D) All of the above

MCQ 27 Choose the correct JavaScript syntax to change the content of the following HTML code.

(A) document.getElement ("knowledge").innerHTML = "knowledgeuniverseonline.com is an educational website"; (B) document.getElementById ("knowledge").innerHTML = "knowledgeuniverseonline.com is an educational website"; (C) document.getId ("knowledge") = "knowledgeuniverseonline.com is an educational website"; (D) document.getElementById ("knowledge").innerHTML = knowledgeuniverseonline.com is an educational website;

MCQ 28 What does the <noscript> tag do?

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

MCQ 29 ____________________ JavaScript statements embedded in an HTML page can respond to user events such as mouse-clicks, form input, and page navigation.

(A) Client-side (B) Server-side (C) Local (D) Native

MCQ 30 What will be the output of the following JavaScript code?

int a=1; if(a!=null) return 1; else return 0;

(A) 1 (B) 0 (C) run time error (D) compile error