还有一个问题: var name=document.all.name.value;document.all是什么东西啊??
var pattern=/^[a-z]([a-z0-9]*[-_]?[a-z0-9]+)*@([a-z0-9]*[-_]?[a-z0-9]+)+[\.][a-z]{2,3}([\.][a-z]{2})?$/i; var email="[email protected]"; if (pattern.test(email)==false) alert("请输入正确的E-Mail地址!");
to starwu(星沉海底):var pattern=/^[a-z]([a-z0-9]*[-_]?[a-z0-9]+)*@([a-z0-9]*[-_]?[a-z0-9]+)+[\.][a-z]{2,3}([\.][a-z]{2})?$/i;小弟这句看不懂,能否详细说一下 万分感谢!
document.all当前页面中的所有对象
var pattern=/^[a-z]([a-z0-9]*[-_]?[a-z0-9]+)*@([a-z0-9]*[-_]?[a-z0-9]+)+[\.][a-z]{2,3}([\.][a-z]{2})?$/i;是正则表达式,参看下面的网址: http://community.csdn.net/Expert/topic/3194/3194150.xml?temp=.8799555
var name=document.all.name.value;document.all是什么东西啊??
var email="[email protected]";
if (pattern.test(email)==false) alert("请输入正确的E-Mail地址!");
万分感谢!
http://community.csdn.net/Expert/topic/3194/3194150.xml?temp=.8799555