Q.1.
JavaScript Code is written inside file having extension __________.
Q.2.
Local Browser used for validations on the Web Pages uses __________.
Q.3.
We can embed JS code inside HTML directly ?
Q.4.
Javascript is _________ language.
Q.5.
The object has three object attributes namely

Explanation

Q.6.
What will be the step of the interpreter in a jump statement when an exception is thrown?

Explanation

Q.7.
Consider the following code snippet 
function printArray(a) 
{
     var len = a.length, i = 0;
     if (len == 0)
        console.log("Empty Array");
     else 
     {
         do 
         {
             console.log(a[i]);
         } while (++i < len);
     }
}
What does the above code result?

Explanation

Q.8.
Consider the following code snippet : 
var book = {
    "main title": "JavaScript", 
    'sub-title': "The Definitive Guide", 
    "for": "all audiences", 
    author: { 
      firstname: "David", 
      surname: "Flanagan" 
    }
  };
In the above snippet, firstname and surname are

Explanation

Q.9.
A conditional expression is also called a

Explanation

Q.10.
When an empty statement is encountered, a JavaScript interpreter

Explanation

Q.11.
Consider the following code snippet 
while (a != 0)
{
   if (spam>a == 1) 
       continue;
   else 
       a++;
}
What will be the role of the continue keyword in the above code snippet?

Explanation

Q.12.
Consider the following code snippet 

function f(o) 
{
     if (o === undefined) debugger;
}
What could be the task of the statement debugger?

Explanation

Q.13.
Among the keywords below, which one is not a statement?

Explanation

Q.14.
What are the three important manipulations done in a for loop on a loop variable?

Explanation

Q.15.
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?

Explanation

Q.16.
One of the special feature of an interpreter in reference with the for loop is that

Explanation

Q.17.
A linkage of series of prototype objects is called as :

Explanation

Q.18.
Consider the below given syntax
book[datatype]=assignment_value;
In the above syntax, the datatype within the square brackets must be

Explanation

Q.19.
The unordered collection of properties, each of which has a name and a value is called

Explanation

Q.20.
What will happen if the body of a for/in loop deletes a property that has not yet been enumerated?

Explanation