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
JavaScript symbol.valueOf() function
The JavaScript symbol.valueOf() function returns the primitive value of a symbol object.
Following is the code for implementing symbol.valueOf() function −
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;
}
div {
font-size: 20px;
font-weight: 500;
}
</style>
</head>
<body>
<h1>JavaScript symbol.valueOf() function</h1>
<div class="sample"></div>
<button class="Btn">CLICK HERE</button>
<h3>
Click on the above button to get the value of symbols
</h3>
<script>
let fillEle = document.querySelector(".sample");
const symbol = Symbol('computer');
const symbol1 = Symbol(234);
let res = symbol.valueOf();
let res1 = symbol1.valueOf();
document.querySelector(".Btn").addEventListener("click", () => {
fillEle.innerHTML += 'res = ' + res.toString() + "<br>";
fillEle.innerHTML += 'res1 = ' + res1.toString() + "<br>";
});
</script>
</body>
</html>Output
On clicking the “CLICK HERE” button −
Updated on: 11-May-2020
26 Views
Advertisements