JSFiddle - React, Tailwind, and code Playground

HTML

<div id="log"></div>

JavaScript

function a(arr){
  var t=0
   for(i =0; i< arr.length;i++ ) 
       t  =t+arr[i]
       return   t    / arr .length}






var exampleNumbers = [92, 84, 70, 95];
var exampleAverage = a(exampleNumbers);
log("The average should be 85.25 and is " + exampleAverage);

function log(text) {
    $("#log").text(text);
}