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
Finding number of occurrences of the element appearing most number of times in JavaScript
We are required to write a JavaScript function that takes in an array of literals and returns the count of elements that appears for the most number of times in the array.
Example
The code for this will be −
let arr = [2, 8, 4, 8, 6, 4, 7, 8];
const countOccurence = arr => {
const max = arr.reduce((acc, val) => {
return Math.max(acc, val);
}, -Infinity);
const count = arr.filter(el => {
return el === max;
});
const { length } = count;
return length;
};
console.log(countOccurence(arr));Output
The output in the console −
3
Updated on: 12-Oct-2020
346 Views
Advertisements