Specification
[1]
Compatibility
IE10+, Std
[1]
Syntax
<form action="" method="post" enctype="multipart/form-data" id="form"> <input type="file" name="file" multiple="multiple" id="file" /> </form>
<script type="text/javascript"> document.getElementById("file").onchange = function() { if (this.value) { var formData = new FormData(document.getElementById("form")); formData.append("name", "value"); var xhr = new XMLHttpRequest(); xhr.onload = function() { $4what.log(xhr.responseText); }; xhr.open("POST", "http://localhost:8080/j2ee/sample/fileupload/upload.jsp", true); xhr.send(formData); } }; </script>
Example