jqery 入口函数主要有4种写法，其中以第3种方法最为方便。
<!DOCTYPE html><html lang="en"><head> ???<meta charset="UTF-8"> ???<meta name="viewport" content="width=device-width, initial-scale=1.0"> ???<meta http-equiv="X-UA-Compatible" content="ie=edge"> ???<title>Document</title> ???<script src=‘js/jquery-1.12.4.js‘></script> ???<script> ???????//1. ???????$(document).ready(function(){ ???????????alert(‘1111‘); ???????}) ???????//2. ???????jQuery().ready(function(){ ???????????alert(‘222‘); ???????}) ???????//3. ???????$(function(){ ???????????alert(‘gogo‘); ???????}) ???????jQuery(function(){ ???????????alert(‘hoho‘); ???????}) ???????????</script></head><body> ???</body></html>jQuery ?入口函数主要有4种写法
原文地址：https://www.cnblogs.com/-Tony/p/9248345.html