📅  最后修改于: 2022-03-11 15:03:30.003000             🧑  作者: Mango
document.body.onload = addElement;
function addElement () {
// create a new div element
const newDiv = document.createElement("div");
// and give it some content
const newContent = document.createTextNode("Hi there and greetings!");
// add the text node to the newly created div
newDiv.appendChild(newContent);
// add the newly created element and its content into the DOM
const currentDiv = document.getElementById("div1");
document.body.insertBefore(newDiv, currentDiv);
}