如何使用javascript将onclick事件分配给动态创建的按钮

var button = document.createElement("button");
button.innerHTML = "点击我";
button.setAttribute("id", "myButton");
button.setAttribute("onclick", "myFunction()");

function myFunction() {
  alert("按钮被点击了！");
}

var container = document.getElementById("container");
container.appendChild(button);