clear file input field using jQuery [closed]
$.fn.clearForm = function() {
  return this.each(function() {
    var type = this.type, tag = this.tagName.toLowerCase();
    if (tag == 'form')
      return $(':input',this).clearForm();
    if (type == 'text' || type == 'password' || tag == 'textarea')
      this.value = '';
    else if (type == 'checkbox' || type == 'radio')
      this.checked = false;
    else if (tag == 'select')
      this.selectedIndex = -1;
  });
};

<section><label for="productimg">Picture<br></label>
    <div><input type="file" id="productimg" name="productimg"></div>
</section>

$('#myform')[0].reset();

$('#form_id').each(function(){
    this.reset();
});

var id=$(this).attr('id');
    $(this).replaceWith("<input type='file' id='"+id+"' />");

jQuery.fn.reset = function(){
  $(this).each (function() { this.reset(); });
}