onload 事件会在页面加载完成后立即发生
What does it mean that the onload event will occur immediately after the page is loaded? -PHP Chinese website Q&A-What does it mean that the onload event will occur immediately after the page is loaded? -PHP Chinese website Q&A
Please watch and learn.
就是说，要把body中的所有内容加载完之后才会触发该事件
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
What does it mean that the onload event will occur immediately after the page is loaded? -PHP Chinese website Q&A-What does it mean that the onload event will occur immediately after the page is loaded? -PHP Chinese website Q&A
Please watch and learn.
就是说，要把body中的所有内容加载完之后才会触发该事件