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jquery只有这样一种写法么？
Questions about how to write jquery? -PHP Chinese website Q&A-Questions about how to write jquery? -PHP Chinese website Q&A
Let’s take a look and learn.
其实还有另外的写法
$(function(){ alert("hello world"); });
如上这样的写法也是可以的，会弹出 hello world
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Questions about how to write jquery? -PHP Chinese website Q&A-Questions about how to write jquery? -PHP Chinese website Q&A
Let’s take a look and learn.
其实还有另外的写法
$(function(){ alert("hello world"); });如上这样的写法也是可以的，会弹出 hello world