示例-表单校验-涉及的事件和信息提示方式

1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 5 <title>表单校验</title> 6 <style type="text/css"> 7 8 </style> 9 </head> 10 11 <body> 12 13 <script type="text/javascript"> 14 function checkUser(){ 15 var oUserNode = document.getElementsByName("user")[0]; 16 17 var name =oUserNode.value; 18 // 19 var oSpanNode = document.getElementById("userspan"); 20 21 if(name=="abc"){ 22 23 oSpanNode.innerHTML ="用户名正确".fontcolor("green"); 24 } 25 else{ 26 oSpanNode.innerHTML ="用户名错误".fontcolor("red"); 27 } 28 } 29 </script> 30 <!--表单校验--> 31 <form> 32 用户名称:<input type="text" name="user" onblur="checkUser()" /> 33 <span id="userspan"></span> 34 <br/> 35 输入密码:<input type="password" name=" psw" /><br/> 36 37 38 </form> 39 40 41 </body> 42 </html>