define class properties javascript code example
Example 1: javascript class
class Rectangle {
constructor(height, width) {
this.height = height;
this.width = width;
}
get area() {
return this.calcArea();
}
calcArea() {
return this.height * this.width;
}
}
const square = new Rectangle(10, 10);
console.log(square.area);
Example 2: es6 class example
'use strict'
class Polygon {
constructor(height, width) {
this.h = height;
this.w = width;
}
test() {
console.log("The height of the polygon: ", this.h)
console.log("The width of the polygon: ",this. w)
}
}
var polyObj = new Polygon(10,20);
polyObj.test();
Example 3: 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 4: variables in js class
constructor(){
this.foo = bar
}