Posted in Javascript onAugust 17, 2013
<script type="text/javascript"> var $= function(id) { return document.getElementById(id); } function check() { if( $('username').value == "" ) { $('eusername').innerHTML='<p class="login_jjB"> 请输入注册用户名!</p>'; return false; } else { $('eusername').innerHTML=''; } if( $('passwd').value == "" ) { $('epasswd').innerHTML='<p class="login_jjB"> 输入密码!</p>'; return false; } else { $('epasswd').innerHTML=''; } if( $('passwd2').value != $('passwd').value ) { $('epasswd2').innerHTML='<p class="login_jjB"> 两次输入密码不一致!</p>'; return false; } else { $('epasswd2').innerHTML=''; } if( $('email').value == "" ) { $('eemail').innerHTML='<p class="login_jjB"> 邮箱地址!</p>'; return false; } else { $('eemail').innerHTML=''; } if( $('vaild').value == "" ) { $('evaild').innerHTML='<p class="login_jjB"> 请输入右边验证码!</p>'; return false; } else { $('evaild').innerHTML=''; } } </script> <form name="registerform" id="registerform" method="POST" action=""> <input type="hidden" name="action" value="register"> <input type="hidden" name="user_type" value="1"> <ul><li><h1>用户名:</h1> <div class="login_jjA"> <span style="display:none;"> <select name="cityid" id="cityid" style="width:100px;" onblur="changelocation(document.registerform.cityid.options[document.registerform.cityid.selectedIndex].value)"> <option value="">--公司不限--</option> <option value="2">--杭州舍易房地产代理有限公司--</option> </select> <select name="cityareaid" style="width:100px;" id="cityareaid"> <option value="0">--不限门店--</option> </select> </span> <input name="username" id="username" type="text" class="jinru_in" value="" onblur="check();" onclick="check();" /></div> <div id="eusername"></div> </li> <li><h1>密码:</h1> <div class="login_jjA"><input name="passwd" type="password" id="passwd" class="jinru_in" onblur="check();" onclick="check();" /></div> <div id="epasswd"></div> </li> <li><h1>确认密码:</h1> <div class="login_jjA"><input name="passwd2" type="password" id="passwd2" class="jinru_in" onblur="check();" onclick="check();" /></div> <div id="epasswd2"></div> </li> <li><h1>邮箱地址:</h1> <div class="login_jjA"><input name="email" type="text" size="30" id="email" value="" class="jinru_in" onblur="check();" onclick="check();" /></div> <div id="eemail"></div> </li> <li><h1>验证码:</h1> <div class="login_jjA"> <input name="vaild" type="text" class="inlen" id="vaild" onblur="check();" onclick="check();" size="5" /><img src="/valid.php" /></div> <div id="ever"></div> </li> <li style="height:35px;"><h1> </h1> <div class="jinruD"><input value=" " type="submit" onclick="javascript:return check();" class="login_jj_btn"/></div> </li> </ul> </form>
javascript用户注册提示效果的简单实例
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