JSFiddle - React, Tailwind, and code Playground

HTML

Input: <span id='input'></span></br>
Remove number: <span id='removeNumber'></span><br/>
Result: <span id='result'>run to see result</span>

JavaScript

const input = [1,2,3,4,5,6,8,5];
const removeNumber = 5;
const result = input.filter(
	item => item != removeNumber
);

document.getElementById('input').innerHTML
	= input.join(', ');
document.getElementById('removeNumber').innerHTML
	= removeNumber;
document.getElementById('result').innerHTML
	= result.join(', ');