按钮打开另一个按钮列表。
HTML示例代码:
JavaScript示例代码:
var listButton = document.getElementById("listButton"); var buttonList = document.getElementById("buttonList");
listButton.addEventListener("click", function() { if (buttonList.style.display === "none") { buttonList.style.display = "block"; } else { buttonList.style.display = "none"; } });