let  myFunction= function() {
  console.log('ABS JavaScript');
}

console.log(myArray[2]);
let myArray = [1, 2, 3];

 "dependencies": {
  "react": "^17.0.2",
  "express": "^4.17.1"
}

"devDependencies": {
  "babel": "^7.15.4",
  "webpack": "^4.29.5"
}

  <input type="text" id="username">

    <button onclick="focusInput()">Input maydoniga fokus bering</button>

    <script>
        function focusInput() {
            // Input maydoniga fokus berish
            document.getElementById('username').focus();
        }
    </script>