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Can JavaScript parent and child classes have a method with the same name?
Yes, parent and child classes can have a method with the same name.
Example
class Parent {
constructor(parentValue) {
this.parentValue = parentValue;
}
//Parent class method name which is same as Child Class method name.
showValues() {
console.log("The parent method is called.....");
console.log("the value is="+this.parentValue);
}
}
class Child extends Parent {
constructor(parentValue,childValue){
super(parentValue);
this.childValue = childValue;
}
//Child class method name which is same as Parent Class method name.
showValues() {
console.log("The child method is called.....");
console.log("The value is="+`${this.childValue}`);
}
}
var parentObject = new Parent(100);
parentObject.showValues();
var childObject = new Child(400,500);
childObject.showValues();To run the above program, you need to use the following command −
node fileName.js.
Here, my file name is demo195.js.
Output
This will produce the following output −
PS C:\Users\Amit\javascript-code> node demo195.js The parent method is called..... the value is=100 The child method is called..... The value is=500
Updated on: 14-Sep-2020
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