JSFiddle - React, Tailwind, and code Playground
JavaScript
var var1 = Math.floor((Math.random() * 100) + 1);
var var2 = [25,50,70,80,90,95,100].filter(function(x) { return x <= var1; }).length;
var var3 = [25,50,111,80,111,95,100].filter(function(x) { return x <= var1; }).length;
var var4 = [25,50,80,95,100].filter(function(x) { return x <= var1; }).length;
console.log(var1, var2, var3, var4);