Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
Physics
Chemistry
Biology
Mathematics
English
Economics
Psychology
Social Studies
Fashion Studies
Legal Studies
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Share methods in JavaScript
Methods can be shared by attaching them to the prototype property of the object. These methods will be shared among all the instances of the object.
Following is the code for sharing methods in JavaScript −
Example
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.result {
font-size: 20px;
font-weight: 500;
color: blueviolet;
}
</style>
</head>
<body>
<h1>Shared methods in JavaScript</h1>
<div class="result"></div>
<button class="Btn">CLICK HERE</button>
<h3>Click on the above button to the call the displayInfo method of student1 and student2 object</h3>
<script>
let resEle = document.querySelector(".result");
function Student(name, age, standard) {
this.name = name;
this.age = age;
this.standard = standard;
}
Student.prototype.displayInfo = function () {
return `${this.name} age ${this.age} : standard :${this.standard} <br>`;
};
let student1 = new Student("Rohan", 17, 12);
let student2 = new Student("Shawn", 16, 11);
document.querySelector(".Btn").addEventListener("click", () => {
resEle.innerHTML = student1.displayInfo();
resEle.innerHTML += student2.displayInfo();
});
</script>
</body>
</html>Output
On clicking the ‘CLICK HERE’ button −
Updated on: 20-Jul-2020
489 Views
Advertisements