The function definitions in JavaScript begins with
Identifier and Parantheses
Return type and Identifier
Return type, Function keyword, Identifier and Parantheses
Identifier and Return type
Answer : A
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1) Consider the following code snippet :
var tensquared = (function(x)
{
return x*x;
}
(10));
Will the above code work ?
2) Consider the following code snippet :
function constfuncs()
{
var funcs = [];
for(var i = 0; i < 10; i++)
funcs[i] = function()
{
return i;
};
return funcs; }
var funcs = constfuncs();
funcs[5]()
What does the last statement return ?
3) Consider the following code snippet :
var string2Num=parseInt("123xyz");
The result for the above code snippet would be :
4) Do functions in JavaScript necessarily return a value ?
It is mandatory
Not necessary
Few functions return values by default
All of the mentioned
View Answer
5) 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
View Answer
