What will be the output of the following code: function test() { return 'Hello'; } alert(test());?
A). undefined
B). test
C). Hello
D). error
How do you define a default parameter in a function?
A). function myFunction(param = 10) { }
B). function myFunction(param == 10) { }
C). function myFunction(param := 10) { }
D). function myFunction(param : 10) { }
How can you define a function as a property of an object?
A). object.function = function() { };
B). object = { function() { } };
C). object: function() { };
D). object = { func: function() { } };
Which keyword is used to declare a function in JavaScript?
A). func
B). function
C). def
D). declare
How do you create a function expression in JavaScript?
A). var myFunction = function() { };
B). function myFunction = { };
C). function = myFunction() { };
D). var function() = myFunction { };
How can you return a value from a function?
A). return value;
B). give value;
C). send value;
D). output value;
How do you define an Immediately Invoked Function Expression (IIFE)?
A). function() { }();
B). (function() { })();
C). function() { }();
D). function() ( ) { }
How do you call a function named myFunction?
A). call myFunction()
B). myFunction()
C). call function myFunction()
D). myFunction(call)
How can you assign a function to a variable?
A). var myFunc = function() { };
B). var myFunc = function { };
C). var myFunc function() { };
D). var function myFunc() { };
What is the difference between function declarations and function expressions?
A). Function declarations are hoisted, function expressions are not
B). Function expressions are hoisted, function declarations are not
C). Function declarations cannot take parameters
D). Function expressions cannot return values