//you have to have the form tag in this format
<form id="myFunction" onClick= { myFunction } >
<input type="file" name="fileToUpload" id="myFunction" />
</form>
//from there you would have to create a function
function myFunction() {
document.getElementById("myFunction").submit();
}
//if this does not work, start to pray lol and do a lot of digging in
//the browser, good luck !