JSFiddle - React, Tailwind, and code Playground

HTML

<form action="" method="post">
<table>
    <tr>
        <td>goods1</td>
        <td><input type='text' name="goods1"></td>
    </tr>
    <tr>
        <td>goods2</td>
        <td><input type='text' name="goods2"></td>
    </tr>
</table>
</form>

JavaScript

function mouse_out(event){
    ob = event.target;
    console.log(ob);
    alert(ob.tagName);
}
document.addEventListener("blur",mouse_out,true);