JSFiddle - React, Tailwind, and code Playground

JavaScript

var jumper = [];
var mjumper = [];
var arr = [4, 1, 1, 1];

function hopper(index) {
  if (index + arr[index] >= arr.length) {
    jumper[index] = true;
    mjumper[index] = 1;
  } else {
    for (var i = index + 1; i <= index + arr[index]; i++) {
      if (jumper[i]) {
        if (jumper[index]) {
          mjumper[index] = Math.min(mjumper[i] + 1, mjumper[index]);
        } else {
          jumper[index] = true;
          mjumper[index] = mjumper[i] + 1;
        }
      }
    }
    if (!jumper[index]) {
      jumper[index] = false;
    }
  }
}

function getMinimumSteps() {
  for (var j = arr.length - 1; j >= 0; j--) {
    hopper(j);
  }

  if (jumper[0])
    return mjumper[0];
  else return -1;
}

console.log(getMinimumSteps());