When does the function name become optional in JavaScript?
When the function is defined as a looping statement
When the function is defined as expressions
When the function is predefined
All of the mentioned
Answer : B
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1) Which is an equivalent code to invoke a function m of class o that expects two arguments x and y?
2) What is the difference between the two lines given below ? !!(obj1 && obj2); (obj1 && obj2);
Both the lines result in a boolean value “True”
Both the lines result in a boolean value “False”
Both the lines checks just for the existence of the object alone
The first line results in a real boolean value whereas the second line merely checks for the existence of the objects
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3) Consider the following code snippet
o.m(x,y);
Which is an equivalent code for the above code snippet?
4) Consider the following code snippet
function hypotenuse(a, b)
{
function square(x)
{
return x*x;
}
return Math.sqrt(square(a) + square(b));
}
What does the above code result?
Sum of square of a and b
Square of sum of a and b
Sum of a and b square
None of the mentioned
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5) For the below mentioned code snippet:
var o = new Object();
The equivalent statement is:
