Do functions in JavaScript necessarily return a value ?
Home | Discussion ForumDo functions in JavaScript necessarily return a value ?
It is mandatory
Not necessary
Few functions return values by default
All of the mentioned
Answer : C
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1) Consider the following code snippet :
var grand_Total=eval("10*10+5");
The output for the above statement would be :
2) Consider the following code snippet :
var c = counter(), d = counter();
c.count()
d.count()
c.reset()
c.count()
d.count()
The state stored in d is :
3) Which is an equivalent code to invoke a function m of class o that expects two arguments x and y?
4) 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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5) Consider the following code snippet :
var tensquared = (function(x)
{
return x*x;
}
(10));
Will the above code work ?