1<script> 2function clearWithReset() 3{ 4 document.getElementById("form").reset(); 5} 6function clearBySettingValue() 7{ 8 document.getElementById("file").value = ""; 9} 10function clearBySettingValueToNull() 11{ 12 document.getElementById("file").value = null; 13} 14function clearBySettingValueToX() 15{ 16 document.getElementById("file").value = "x"; 17} 18</script> 19<p>Use this to test the various ways you can clear an input type=file element.</p> 20<form id="form"> 21<p>Choose a file here: <input type="file" id="file"></input></p> 22<p>Then press one of these buttons, that should clear the file: 23<input type="button" value="clear with reset()" onclick="clearWithReset()"> 24<input type="button" value="clear by setting value to ''" onclick="clearBySettingValue()"></p> 25<p>Or press this button that should clear the file, but won't, due to <a href="http://bugs.webkit.org/show_bug.cgi?id=13448">bug 13448</a>: <input type="button" value="clear by setting value to null" onclick="clearBySettingValueToNull()"></p> 26<p>Or press this button to verify we can't set to a non-empty value: <input type="button" value="clear by setting value to 'x'" onclick="clearBySettingValueToX()"></p> 27</form> 28