JSFiddle - React, Tailwind, and code Playground

HTML

<input type="range" oninput="onInput(this.value)" onchange="onChange(this.value)">

JavaScript

let lastNum = 0;
function onInput(value) {
  if(lastNum < value) {
      console.log("+");
  } else {
      console.log("-");
  }
  lastNum = value;
}