JSFiddle - React, Tailwind, and code Playground

by Qwerty_Wasd

HTML

<form action="index.html" method="POST" name="exam">
        <table border=1>
            <tr>
                <td>Код преподавателя</td>
                <td>Код студента</td>
                <td>Оценка</td>
            </tr>
            <tr>
                <td><input type="text" name="tcode" id="1" onKeyPress="code_check()"></td>
                <td><input type="text" name="scode" id="2" onKeyPress="code_check()"></td>
                <td align="center">
                    <select name="mark" id="3">
                        <option value="empty">Оценка</option>
                        <option value="5">5</option>
                        <option value="4">4</option>
                        <option value="3">3</option>
                        <option value="2">2</option>
                        <option value="1">1</option>
                    </select>
                </td>
            </tr>
        </table>
        <input type="button" value="Выставить оценку" onClick="validation()">
        <input type="reset">
    </form>

JavaScript

console.log(document.getElementById('1').)