Data Structure
Networking
RDBMS
Operating System
Java
MS Excel
iOS
HTML
CSS
Android
Python
C Programming
C++
C#
MongoDB
MySQL
Javascript
PHP
- Selected Reading
- UPSC IAS Exams Notes
- Developer's Best Practices
- Questions and Answers
- Effective Resume Writing
- HR Interview Questions
- Computer Glossary
- Who is Who
Named arguments in JavaScript.
Following is the code for using named arguments in JavaScript functions −
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; } .sample,.result { font-size: 18px; font-weight: 500; color: red; } .result { color: rebeccapurple; } </style> </head> <body> <h1>Named arguments in JavaScript functions</h1> <div class="sample"></div> <div class="result"></div> <button class="Btn">CLICK HERE</button> <h3> Click on the above button to call a function and pass above object to it as argument </h3> <script> let sampleEle = document.querySelector(".sample"); let resultEle = document.querySelector(".result"); sampleEle.innerHTML = "{a:22,b:44,c:55,d:99}"; function add({ a = 0, b = 0, c = 0, d = 0 }) { return a + b + c + d; } document.querySelector(".Btn").addEventListener("click", () => { resultEle.innerHTML += "Sum = " + add({ a: 22, b: 44, c: 55, d: 99 }); }); </script> </body> </html> Output
The above code will produce the following output −
On clicking the ‘CLICK HERE’ button −
Updated on: 2020-07-17T08:53:14+05:30
239 Views
Advertisements