JavaScript Code can be called by using _________.
Function / Method
RMI
Preprocessor
None Of thease
Choose the server-side JavaScript object?
FileUpLoad
Function
File
Date
What is the correct syntax for referring to an external script called " abc.js"?
None of the above
JavaScript is invented by ________.
Brendan Eich
Helsinki, Linus
W3 Group
James Gosling
Which of the following function of String object returns a string representing the specified object?
toLocaleUpperCase()
toUpperCase()
toString()
substring()
_____ JavaScript statements embedded in an HTML page can respond to user events such as mouse-clicks, form input, and page navigation.
Client-side
Server-side
Local
Native
The development environment offers which standard construct for data validation
Super controlled loop constructs
Case sensitivity check
Validation constructs
All of the mentioned
To open a dialog box each time an error occurs, which of the following is added to prefs.js?
user_pref("javascript.classic.error_alerts", true);
user_pref("javascript.classic.error_alerts ", false);
user_pref("javascript.console.open_on_error ", true);
user_pref("javascript.console.open_on_error ", false);
A hexadecimal literal begins with
00
0x
0X
Both 0x and 0X
Which of the following function of Array object applies a function simultaneously against two values of the array (from right-to-left) as to reduce it to a single value?
pop()
push()
reduce()
reduceRight()
Why JavaScript is called as Lightweight Programming Language ?
because JS is available free of cost.
because JS is client side scripting
because we can add programming functionality inside JS
because JS can provide programming functionality inside but up to certain extend.
In JavaScript, _________ is an object of the target language data type that encloses an object of the source language.
a wrapper
a link
a cursor
a form
JavaScript is _________ language.
Programming
Application
Scripting
None of These
JavaScript entities start with _______ and end with _________.
Semicolon, colon
Semicolon, Ampersand
Ampersand, colon
Ampersand, semicolon
Which was the first browser to support JavaScript ?
Mozilla Firefox
Google Chrome
IE
Netscape
JavaScript was invented at _______ Lab .
Google Lab
AT&T Bell LAb
Sun Microsystem
Triggering Event
JavaScript is ______ Side Scripting Language.
Server
ISP
Browser
To enable data tainting, the end user sets the _________ environment variable.
ENABLE_TAINT
MS_ENABLE_TAINT
NS_ENABLE_TAINT
ENABLE_TAINT_NS
When a JavaScript object is sent to Java, the runtime engine creates a Java wrapper of type ___________
ScriptObject
JSObject
JavaObject
Jobject
The statement a===b refers to
Both a and b are equal in value, type and reference address
Both a and b are equal in value
Both a and b are equal in value and type
There is no such statement
What does the tag do?
Enclose text to be displayed by non-JavaScript browsers.
Prevents scripts on the page from executing.
Describes certain low-budget movies.
JavaScript is also called as _____________.
Server Side Scripting Language
Browser/Client Side Scripting Language.
Not a Client Side Scripting Language.
Which of the following Attribute is used to include External JS code inside your HTML Document -
link
script
src
ext
Scripting language are
High Level Programming language
Assembly Level programming language
Machine level programming language
The generalised syntax for a real number representation is
[digits][.digits][(E|e)[(+|-)]digits].
[digits][+digits][(E|e)[(+|-)]digits].
[digits][(E|e)[(+|-)]digits].
[.digits][digits][(E|e)[(+|-)]digits].
Is this correct syntax to include JS Code inside HTML Page ?
<script type="text/javascript"> ... </script>
No
Yes
Which of the following function of Array object returns the last (greatest) index of an element within the array equal to the specified value, or -1 if none is found?
indexOf()
join()
lastIndexOf()
map()
When there is an indefinite or an infinity value during an arithmetic value computation, javascript
Prints an exception error
Prints an overflow error
Displays “Infinity”
Prints the value as such
JavaScript is designed for following purpose
To Style HTML Pages
To add interactivity to HTML Pages.
To Perform Server Side Scripting Operation
To Execute Query Related to DB on Server