how to get the form name Javascript

Question

How can i get the input name

Here is my code

document.querySelector('input[type="file"]').addEventListener('change', function(e) {
    alert(e.name); //this is giving me undefined
    uploadFiles('upload.php', this.files, e.name);
}, false);

The 1st input file

<input type="file" class="textbox" name="webinar_image" id="webinar_logo" style="margin-top: 20px;" />

The 2nd input file

<input type="file" class="textbox" name="webinar_logo" id="webinar_logo"  style="margin-top: 20px;" />

Answer 1

该元件可作为this事件处理中，所以使用this.name 。