bootstrap file upload

<!-- HTML Code -->
<form class="md-form">
  <div class="file-field">
    <div class="btn btn-primary btn-sm float-left">
      <span>Choose file</span>
      <input type="file">
    </div>
    <div class="file-path-wrapper">
      <input class="file-path validate" type="text" placeholder="Upload your file">
    </div>
  </div>
</form><div class="form-check">
  <input type="checkbox" class="form-check-input" id="exampleCheck1">
  <label class="form-check-label" for="exampleCheck1">Check me out</label>
</div>// Modificar texto del botón en input type="file"
document.querySelector('.custom-file-input').addEventListener('change',function(e){
  var fileName = document.getElementById("myInput").files[0].name;
  var nextSibling = e.target.nextElementSibling
  nextSibling.innerText = fileName
})