Which of the operator is used to test if a particular property exists or not?
Home | Discussion ForumWhich of the operator is used to test if a particular property exists or not?
in
exist
within
exists
Answer : A
View More Related Question
1) What kind of an expression is “new Point(2,3)”?
Primary Expression
Object Creation Expression
Invocation Expression
Constructor Calling Expression
View Answer
2) Among the following, which one is a ternary operator?
3) Which of the operator is used to test if a particular property exists or not?
4) Consider the following snippet code
var string1 = ”123”;
var intvalue = 123;
alert( string1 + intvalue );
The result would be
5) Initialization of variable can be done by writing _____ operator in between variable name and operand value.
