摘要: //姓名 var name=document.getElementById("name"); var username = /^[\u4E00-\u9FA5\uf900-\ufa2d]{2,4}$/ ; name.onblur=function(){ if(name.value==""){ aler 阅读全文
posted @ 2018-05-21 21:08 Daisy0331 阅读(215) 评论(0) 推荐(0) 编辑