标签：fun word style ring jquer class code event str
$(function(){$(document).keydown(function(event){
if(event.keyCode==13){ alert("nihao"); }});$(document).keyup(function(event){ if(event.keyCode==13){ alert("nihao"); }});标签：fun word style ring jquer class code event str
原文地址：https://www.cnblogs.com/xzybk/p/11548878.html
