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Javascript Questions Set 178:

Quiz Mode

Which of the following is not a looping construct in JavaScript?

for...in

for...of

while

forwhile

Solution:

A linkage of series of prototype objects is called as ________

prototype chain

prototype stack

prototype class

prototypes

Solution:

Which functional component does React Hooks use for setting and retrieving state?

setState

useEffect

useState

updateState

Solution:

Which is Microsoft's own proprietary client-side storage mechanism?

IE User Data

Offline Web Applications

Offline Apis

Solution:

How to calculate the runtime of a code?

Start time * End time

Start time - End time

End time - Start time

Start time / End time

Solution:

What is the purpose of the memory object in JavaScript?

Gets unused memory details

Shows optimization

Gets memory usage

Memory optimization

Solution:

A conditional expression is also called a _______________

Alternative to if-else

Immediate if

If-then-else statement

Switch statement

Solution:

The WebSocket attribute Socket.readyState with a value of 2 indicates ______.

Closed connection

Handshake connection

Unestablished connection

None of these

Solution:

What will be the output of the following JavaScript code?

`document.writeln("<br/>navigator.appCodeName: "+navigator.appCodeName);`

Version

Undefined

Error

Browser name

Solution:

The object whose properties are inherited by all instances of the class, and properties whose values are functions behaving like instance methods of the class, is called the _____________.

Instance object

Constructor object

Destructor object

Prototype object

Javascript Questions Set 178:

Which of the following is not a looping construct in JavaScript?

Solution:

A linkage of series of prototype objects is called as ________

Solution:

Which functional component does React Hooks use for setting and retrieving state?

Solution:

Which is Microsoft's own proprietary client-side storage mechanism?

Solution:

How to calculate the runtime of a code?

Solution:

What is the purpose of the memory object in JavaScript?

Solution:

A conditional expression is also called a _______________

Solution:

The WebSocket attribute Socket.readyState with a value of 2 indicates ______.

Solution:

What will be the output of the following JavaScript code?

`document.writeln("<br/>navigator.appCodeName: "+navigator.appCodeName);`

Solution:

The object whose properties are inherited by all instances of the class, and properties whose values are functions behaving like instance methods of the class, is called the _____________.

Solution:

Related Question Sets:

Related Topics:

Javascript Questions Set 178:

Which of the following is not a looping construct in JavaScript?

Solution:

A linkage of series of prototype objects is called as ________

Solution:

Which functional component does React Hooks use for setting and retrieving state?

Solution:

Which is Microsoft's own proprietary client-side storage mechanism?

Solution:

How to calculate the runtime of a code?

Solution:

What is the purpose of the memory object in JavaScript?

Solution:

A conditional expression is also called a _______________

Solution:

The WebSocket attribute Socket.readyState with a value of 2 indicates ______.

Solution:

What will be the output of the following JavaScript code? document.writeln("<br/>navigator.appCodeName: "+navigator.appCodeName);

Solution:

The object whose properties are inherited by all instances of the class, and properties whose values are functions behaving like instance methods of the class, is called the _____________.

Solution:

Related Question Sets:

Related Topics:

What will be the output of the following JavaScript code?

`document.writeln("<br/>navigator.appCodeName: "+navigator.appCodeName);`