What will happen if the body of a for/in loop deletes a property that has not ye

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

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?

2) What are the three important manipulations done in a for loop on a loop variable?

Updation, Incrementation, Initialization

Initialization,Testing, Updation

Testing, Updation, Testing

Initialization,Testing, Incrementation

3) 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

4) 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”

5) Consider the following code snippet

function f(o)
  {
      if (o === undefined)
 debugger;
 }

What could be the task of the statement debugger?

It does nothing but a simple breakpoint

It debugs the error in that statement and restarts the statement’s execution

It is used as a keyword that debugs the entire program at once

All of the mentioned

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