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Javascript Questions Set 216:

Quiz Mode

Which object is used to post data to an external process, such as savePerfData?

XML

XBT

XHR

XTR

Solution:

How to convert an array to a string?

array.valueOf()

array.toString()

array.toChar()

array.ToString()

Solution:

In JavaScript, to declare a variable as local inside a function, which keyword must be used?

function

var

delete

local

Solution:

What is the definition of a thread?

An input controlling device

None of the above

A stream of text chats

A control flow within a program

Solution:

What is the storage that allows the caching web pages and their associated resources?

Offline web applications

FileSystem API

Web Databases

Solution:

Which function used to remove all handlers for name events?

deleteAllListeners(name)

deleteListener(name , f)

removeListener(name , f)

removeAllListeners(name)

Solution:

Which operator checks whether its two operands are equal and returns a Boolean result?

equality operator

strict equality operator

both of these

assignment operator

Solution:

What is the main purpose of a JavaScript debugger?

Placing script execution under control

Correcting errors

Correcting errors and placing script execution under control

Compiling JavaScript code

Solution:

Which of the following statements is correct with respect to the Window object in JavaScript?

All of the above

Open a new window and control its appearance

Open a new window with a single click

Print the current page

Solution:

What happens when you call setTimeout() with a delay of 0 milliseconds?

The function is placed in the call stack

The function is placed in the event queue

The function will run continuously

The function will execute immediately

Javascript Questions Set 216:

Which object is used to post data to an external process, such as savePerfData?

Solution:

How to convert an array to a string?

Solution:

In JavaScript, to declare a variable as local inside a function, which keyword must be used?

Solution:

What is the definition of a thread?

Solution:

What is the storage that allows the caching web pages and their associated resources?

Solution:

Which function used to remove all handlers for name events?

Solution:

Which operator checks whether its two operands are equal and returns a Boolean result?

Solution:

What is the main purpose of a JavaScript debugger?

Solution:

Which of the following statements is correct with respect to the Window object in JavaScript?

Solution:

What happens when you call setTimeout() with a delay of 0 milliseconds?

Solution:

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