js.l9 code example

Example: js.l9

// (==)				=> equal to.
// (===)			=> equal to value & data-type.
// (!=)				=> not equal to.
// (!==)			=> not equal to value & data-type.
// (>)				=> grater then.
// (<)				=> smaller then.
// (>=)				=> grater then or equal to.
// (<=)				=> smaller then or equal to.
// (?)				=> ternary operator.


EXAMPLE:
Ternary operator,


var age = 18;
age >= 18 ? console.log('true') : console.log('false');





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// typeof()						// returens type of a variable.
// instanceof()					// returens true if an object is an instance of an object type.


EXAMPLE:
1.console.log(typeof 42);
// expected output: "number"

2.function Car(make, model, year) {
  this.make = make;
  this.model = model;
  this.year = year;
}
const auto = new Car('Honda', 'Accord', 1998);

console.log(auto instanceof Car);
// expected output: true