javascript classes es6 code example
Example 1: es6 class example
<script>
class Student {
constructor(rno,fname,lname){
this.rno = rno
this.fname = fname
this.lname = lname
console.log('inside constructor')
}
set rollno(newRollno){
console.log("inside setter")
this.rno = newRollno
}
}
let s1 = new Student(101,'Sachin','Tendulkar')
console.log(s1)
s1.rollno = 201
console.log(s1)
</script>
Example 2: javascript class
class Person {
constructor(name, age) {
this.name = name;
this.age = age;
}
introduction() {
return `My name is ${name} and I am ${age} years old!`;
}
}
let john = new Person("John Smith", 18);
console.log(john.introduction());
Example 3: javascript es6 class
class MyClass {
constructor() {
this.answer = 42;
}
}
const obj = new MyClass();
obj.answer;
Example 4: es6 class example
<script>
class Student {
constructor(rno,fname,lname){
this.rno = rno
this.fname = fname
this.lname = lname
console.log('inside constructor')
}
get fullName(){
console.log('inside getter')
return this.fname + " - "+this.lname
}
}
let s1 = new Student(101,'Sachin','Tendulkar')
console.log(s1)
console.log(s1.fullName)
</script>
Example 5: es6 class example
class Polygon {
constructor(height, width) {
this.height = height;
this.width = width;
}
}
Example 6: javascript class example
class LoremIpsum {
constructor(a, b, c) {
this.propertyA = a;
this.propertyB = b || "a default value";
this.propertyC = c || "another default value";
}
someMethod (d) {
this.propertyA = this.propertyB;
this.propertyB = d;
}
}
var loremIpsum = new LoremIpsum ("dolor", null, "sed");
loremIpsum.someMethod("amit");
.