How Can I Customize the Appearance and Functionality of an HTML File Input Element?

Style Input Type File? [duplicate]

Customizing the appearance of a file input element can be challenging, particularly due to browser compatibility issues. However, there are effective techniques to achieve this:

1. HTML and CSS Customization:

• Create a hidden file input element using
• Create a custom button using
  and style it using CSS (background image, border).
• Use JavaScript to trigger the click event on the file input when the custom button is clicked.

function getFile() {
  document.getElementById("upfile").click();
}

2. Automated Upload:

To automate the file upload process, add an onchange event to the file input element:

function sub(obj) {
  var file = obj.value;
  var fileName = file.split("\");
  document.getElementById("yourBtn").innerHTML = fileName[fileName.length - 1];
  document.myForm.submit();
  event.preventDefault();
}

3. Complete Example:

This comprehensive example includes all the necessary code for a fully functional custom file upload form with automated submission:

<style>
  #yourBtn {
    position: relative;
    top: 150px;
    font-family: calibri;
    width: 150px;
    padding: 10px;
    border-radius: 5px;
    border: 1px dashed #BBB;
    text-align: center;
    background-color: #DDD;
    cursor: pointer;
  }
</style>
<script type="text/javascript">
  function getFile() {
    document.getElementById("upfile").click();
  }
  function sub(obj) {
    var file = obj.value;
    var fileName = file.split("\");
    document.getElementById("yourBtn").innerHTML = fileName[fileName.length - 1];
    document.myForm.submit();
    event.preventDefault();
  }
</script>


  <center>
    <form action="#" method="POST" enctype="multipart/form-data" name="myForm">
      <div></div>
</form>
</center>