The void operator is used to evaluate a JavaScript expression without returning a value.

JavaScript typeof operator is used to get the data type (returns a string) of an expression.

JavaScript this operator is used to refer the current object. In general, this refers to the calling object in a method.

The new operator is used to create an instance of a user defined object type or one of builtin object types which has a constructor function.

The instanceof operator is used to check the type of an object at run time. The instanceof operator returns a boolean value that indicates if an object is an instance of a particular class.

The in operator is used to check whether a given property is available in an object.

The function operator defines a function inside an expression.

The delete operator deletes an object, an object's property, or an element from an array. The operator can also delete variables which are not declared with the var statement.

The comma operator (,) is used to execute two expressions sequentially.

The conditional operator is used as a shortcut for standard if statement. It takes three operands.