JavaScript Parsing, Benchmarking and Logging(1st)

How many reserved words are there in JavaScript?

1 Mark(s)

54
90
63
68

What is the purpose of the method JSON.parse()?

1 Mark(s)

None of the mentioned
Parses a string to integer
Parses a string to JSON
Parses a string from JSON to JSON2

Which of the following are appenders?

1 Mark(s)

All of the mentioned
FileAppender
DummyAppender
ConsoleAppender

Which of the following browsers support the usage of the JavaScript logging library log4javascript?

1 Mark(s)

Opera
IE
Safari
All of the mentioned

To which of the following object does the print() method belong to?

1 Mark(s)

none of the mentioned
document
hash
window

What is the purpose of the property width belonging to the ImageData element?

1 Mark(s)

Number of data
Number of pixels per row of data
All of the mentioned
Number of pixels

What is the return data type of the property accept that belongs to the Input element?

1 Mark(s)

string
integer
boolean
float

Which method is called right before a field is saved?

1 Mark(s)

BeforeSave()
onBeforeSave()
None of the mentioned
SaveBefore()

What is the purpose of the adoptNode() method?

1 Mark(s)

Makes it ready for insertion
None of the mentioned
Removes node and Makes it ready for insertion
Removes node

What will happen if the fvonly parameter is set to 1?

1 Mark(s)

None of the mentioned
Can run the repeat view test
Results got for the first view
Can run the repeat view test

What are the parameters of the method JSON.parse()?

1 Mark(s)

text
both text and reviver
none of the mentioned
reviver

Which of the following object is used to post the data to an external process, say savePerfData?

1 Mark(s)

XML
XBT
XHR
None of the mentioned

What is the purpose of the parameter location?

1 Mark(s)

Specifies browser
Specifies agent location
Specifies speed
All of the mentioned

How many default number methods are available in JavaScript?

1 Mark(s)

5
6
7
8

How can you create a node for comment in JavaScript?

1 Mark(s)

comment()
Comm()
None of the mentioned
createComment()

What does it indicate when the radix value is 16?

1 Mark(s)

String begins with 0P
String begins with 0x
String begins with 0
String begins with FF

Which function is used to stop the time logging?

1 Mark(s)

finish()
stop()
stopTimeLogging()
abort()

What is the return type of the method parseInt()?

1 Mark(s)

Float
Integer
String
Date

Which of the following is a JavaScript Compressor?

1 Mark(s)

UgilifyJS
Esprima
None of the mentioned
Acron

Which of the following is the fastest JavaScript parser?

1 Mark(s)

JSLint
Acron
Esprima
Traceur

What is the function of the method importNode()?

1 Mark(s)

Copies and removes
Only copies
Copies without removing
Only removes

What does the getInputHtml() return?

1 Mark(s)

Fieldtype’s input HTML
Array
Input
Value

What is the function of the XML parser?

1 Mark(s)

Converts XML document to XML DOM object
None of the mentioned
Converts XML DOM object to a comment
Converts XML DOM object to XML document

How to calculate the run time of a code?

1 Mark(s)

Start time – End time
Start time/ End time
Start time * End time
End time – Start time

What is the purpose of the parameter $name ?

1 Mark(s)

Document Name
Output Name
ID
Input Name

How do you specifically execute a command in JavaScript?

1 Mark(s)

exec(command)
execcommand()
exec(command id)
execCommand()

What will happen if the radix parameter of the parseInt() function is omitted?

1 Mark(s)

Throws exception
Taken as 0
Runs in assumption
Aborts

When does the defineContentAttribute() method return a false?

1 Mark(s)

Data is not obtained
Data is not stored at all
Data stored in different table
Data stored in its own table

Which is the method used to process on the input’s post data before it is saved to the database?

1 Mark(s)

prep()
settings()
defineSettings()
prepSettings()

What is the purpose of the UgilifyJS?

1 Mark(s)

Exposes a simple API
None of the mentioned
Minification
Both Exposes a simple API and Minification

What type of scooping is present in JavaScript?

1 Mark(s)

Literal
None of the mentioned
Lexical
Both Lexical and Literal

How many events does the BaseFieldType provide?

1 Mark(s)

2
4
1
3

When does JSNLog have server-side extensions?

1 Mark(s)

Use of Java
None of the mentioned
Use of .NET
Both .NET and Java

Which of the following reads the textual contents of a URL and returns as a string?

1 Mark(s)

readUrl(url);
readFile(file);
spawn(f);
load(filename,…);

Which of the following JavaScript logging tool is standalone?

1 Mark(s)

fvlogger
jsTracer
Blackbird
Log Hound

How many parameters does the API accept?

1 Mark(s)

5
6
7
8

What does the method defineSettings() return?

1 Mark(s)

Array of strings
None of the mentioned
Array of hash key
Array of settings name

Which function is used to start the time logging?

1 Mark(s)

start()
startTimeLogging()
Loggingstart()
startLogging()

Which of the following method will wait for certain milliseconds to execute a specified method?

1 Mark(s)

setmilli()
setseconds()
setInterval()
setTimeout()

According to the workflow of a runtime logging, what happens after calculating the run time?

1 Mark(s)

Either Display to screen or Log to server
Display to screen
None of the mentioned
Log to server

Which of the following JavaScript logging framework lets one to toggle the plane?

1 Mark(s)

Log Hound
Lumberjack
jsTracer
fvlogger

Which of the following attribute of form tag is not set by using document object in JavaScript?

1 Mark(s)

Target
Enctype
None of the mentioned
Action

What is the function of the parseInt() method?

1 Mark(s)

Parses an integer and returns a string
None of the mentioned
Parses a datatype and stores in an integer
Parses a string and returns an integer

The lexical scooping in JavaScript is based on which of the following?

1 Mark(s)

Segments
Blocks
Entire code
Functions

What is the purpose of the method ActiveXObject()?

1 Mark(s)

All of the mentioned
Used to reference automation object
Used to instantiate automation object
Used to call automation object

What is the significance of the JavaScript logging library log4javascript?

1 Mark(s)

Fully featured and Easy to use
Easy to use
Fully featured
None of the mentioned

What is the method used to stop an execution of a method?

1 Mark(s)

clcearTimeout()
clearInterval()
none of the mentioned
both clearInterval() and clcearTimeout()

What is the purpose of the window.location object in JavaScript?

1 Mark(s)

All of the mentioned
Get the location of the cursor
Get the path to the next page
Get the URL and redirect

What will be the radix value if the string begins with 0x?

1 Mark(s)

14
15
13
16

Which of the following method loads a new document?

1 Mark(s)

loadnew()
location.new()
location.assign()
location.load()

Where does the external process save the result of the test?

1 Mark(s)

Normal file
Folder
Flat file
None of the mentioned

What is the significance of the JavaScript logging library loglevel?

1 Mark(s)

Inconvenient
Unreliable
Lightweight
Minimal usage

What is the purpose of the parameter $value?

1 Mark(s)

Field’s probability value
Field’s previous value
Field’s expected value
Field’s current value

What is the purpose of the url json?

1 Mark(s)

Belongs to JSON object
Belongs to JSON
None of the mentioned
Reference JSON formatted data

How many arguments does the getInputHtml() accept?

1 Mark(s)

3
2
1
4

What is the necessity to create a separate file after having an API key?

1 Mark(s)

To hold key details
To hold the speed of the process
To hold configuration information
To hold URL details

What will be the radix value of the parseInt() method when the string begins with any other value other than 0x and 0?

1 Mark(s)

11
10
8
9

What is necessary when we need to create a new field in craft?

1 Mark(s)

All of the mentioned
Type of the field
Type of the input
Type of the output

What is the parameter of the method Date.parse()?

1 Mark(s)

string
datestring
string
date

Which of the following JavaScript logging tool is also a debugging tool?

1 Mark(s)

jsTracer
Log Hound
Blackbird
fvlogger

What is an observer effect?

1 Mark(s)

Observing influences outcome
None of the mentioned
Obversing and outcome are independent
Observing never influences outcome

What is the meaning of JavaScript Hoisting?

1 Mark(s)

Moving declarations to top
Hosting variables by itself
Moving declarations to bottom
None of the mentioned

What is the purpose of the radix parameter in the parseInt() method?

1 Mark(s)

Convertion mode
None of the mentioned
Numeral system to be used
Numeral system not to be used

Which is the function in JavaScript that will print the current page in JavaScript?

1 Mark(s)

print(now)
printcurrent()
print(this)
print()

What will be the radix value of the parseInt() method when the string begins with 0?

1 Mark(s)

6
9
7
8

What kind of an exception will be thrown if the string to parse is not valid JSON?

1 Mark(s)

ArrayOutOfBoundException
None of the mentioned
Both SyntaxError and ArrayOutOfBoundException
SyntaxError

How can you dispatch a synthetic event object?

1 Mark(s)

None of the mentioned
dispatch(Event)
dispatch()
dispatchEvent()

Which of the following are ways to benchmark code?

1 Mark(s)

Timing the code & Calculating the number of operations performed
Timing the code
Calculating the number of operations performed
None of the mentioned

Which of the following are JavaScript logging library?

1 Mark(s)

loglevel
jslogjava
leveljavascript
log

JavaScript Parsing, Benchmarking and Logging(1st) : Question 1 of 69