async function press() { const res = await fetch('/press', { method: 'POST' }); const data = await res.text(); alert(data); } let isRed = false; function redBg() { if (isRed === false) { document.body.style.background = 'red'; isRed = true; }else { document.body.style.background = ''; isRed = false; } } const addButton = document.getElementById('addButton'); addButton.addEventListener('click', handleInput); let i = 0; function handleInput() { const inputText = document.getElementById('inputText').value; /*alert(inputText);*/ const table = document.getElementById('contentTable'); const newRow = table.insertRow(); i++; newRow.insertCell(0).textContent = i; newRow.insertCell(1).textContent = inputText; };