Consider the following code snippet<br/> <pre>function tail(o)<br/>{<br/> for (; o.next; o = o.next) ;<br/>

Consider the following code snippet

function tail(o)
{

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Consider the following code snippet

function tail(o)
{
      for (; o.next; o = o.next) ;
     return o;
 }

Will the above code snippet work? If not, what will be the error?

No, this will throw an exception as only numerics can be used in a for loop

No, this will not iterate

Yes, this will work

No, this will result in a runtime error with the message “Cannot use Linked List”

Answer : C

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1) What will happen if the body of a for/in loop deletes a property that has not yet been enumerated?

The property will be stored in a cache

The loop will not run

That property will not be enumerated

All of the mentioned

View Answer

2) One of the special feature of an interpreter in reference with the for loop is that

Before each iteration, the interpreter evaluates the variable expression and assigns the name of the property

The iterations can be infinite when an interpreter is used

The body of the loop is executed only once

All of the mentioned

View Answer

3) Consider the following code snippet

function tail(o)
{
      for (; o.next; o = o.next) ;
     return o;
 }

Will the above code snippet work? If not, what will be the error?

No, this will throw an exception as only numerics can be used in a for loop

No, this will not iterate

Yes, this will work

No, this will result in a runtime error with the message “Cannot use Linked List”

View Answer

4) Consider the following code snippet

while (a != 0)
 {
    if (a == 1)
         continue;
    else
         a++;
 }

What will be the role of the continue keyword in the above code snippet?

The continue keyword restarts the loop

The continue keyword skips the next iteration

The continue keyword skips the rest of the statements in that iteration

None of the mentioned

View Answer

5) Among the keywords below, which one is not a statement?

debugger

with

if

use strict

View Answer

Javascript MCQ - English

GK in Hindi

Consider the following code snippet

function tail(o)
{

MCQ Category

Javascript MCQ - English

GK in Hindi

Consider the following code snippet function tail(o){

MCQ Category

Consider the following code snippet

function tail(o)
{