👷 fix typo

script.js

@@ -1,20 +1,20 @@

sleep = (ms) {
sleep = (ms) => {
  return new Promise(r => setTimeout(r, ms))
},
};

delay(100 )
     .then(function STEP2(){
        console.log("step 2 (after 100ms)");
        return delay(200 );
    })
    .then(function STEP3(){
        console.log("step 3 (after another 200ms)" );
    })
    .then(function STEP4(){   
        console.log("step 4 (next Job)");
        return delay( 50 );
    })  
    .then(function STEP5(){
        console.log("step 5 (after another 55ms)" );
    })  
sleep(100)
  .then(function STEP2 () {
    console.log("step 2 (after 100ms)");
    return sleep(200);
  })
  .then(function STEP3 () {
    console.log("step 3 (after another 200ms)");
  })
  .then(function STEP4 () {
    console.log("step 4 (next Job)");
    return sleep(50);
  })
  .then(function STEP5 () {
    console.log("step 5 (after another 50ms)");
  })