jQuery writes verification form example code-JS Tutorial-php.cn

jQuery writes verification form example code
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Release： 2017-07-19 16:58:22
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//Verification form written using jQuery
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><title></title><script src="js/jquery-1.3.1.js?1.1.11"></script><script src="js/lib/jquery.validate.js?1.1.11"></script><script src="js/lib/jquery.validate.messages_cn.js?1.1.11"></script><style>body {font: 12px/19px Arial, Helvetica, sans-serif;color: #666;}form div {margin: 5px 0;}.int label {float: left;width: 100px;text-align: right;}.int input {padding: 1px 1px;border: 1px solid #ccc;height: 16px;}.sub {padding-left: 100px;}.sub input {margin-right: 10px;}.formtips {width: 200px;margin: 2px;padding: 2px;}.onError {background: #FFE0E9 url(images/reg3.gif) no-repeat 0 center;padding-left: 25px;}.onSuccess {background: #E9FBEB url(images/reg4.gif) no-repeat 0 center;padding-left: 25px;}.high {color: red;}</style><script>$(function () {
            $("form :input.required").each(function () {var $required = $("<strong class=&#39;high&#39;>*</strong>");
                $(this).parent().append($required);
            })
            $("form :input").blur(function () {var $parent = $(this).parent();
                $(".formtips").remove();if ($(this).is("#username")) {if (this.value == '' || this.value.length < 6) {var errmsg = &#39;请输入正确的格式.&#39;;
                        $parent.append(&#39;<span class="formtips onError">' + errmsg + '</span>')
                    } else {var sucssemsg = '格式输入正确';
                        $parent.append('<span class="formtips onSuccess">' + sucssemsg + '</span>')
                    }
                }if ($(this).is("#email")) {//邮箱格式正则表达式的用法if (this.value == '' || ( this.value != "" && !/.+@.+\.[a-zA-Z]{2,4}$/.test(this.value) )) {var errmsg = '请输入正确的格式.';
                        $parent.append('<span class="formtips onError">' + errmsg + '</span>')
                    } else {var sucssemsg = '格式输入正确';
                        $parent.append('<span class="formtips onSuccess">' + sucssemsg + '</span>')
                    }
                }
            })
            $("#send").click(function () {var onerr = $(this).parent().siblings().children().hasClass("onError");//出错就会添加class为onerror的元素if(onerr) {return false;
                    } else {
                        alert("你已经注册成功了");
                    }
                }
            )
            $("#reset").click(function () {
                $(".formtips").remove();
            })
        })</script></head><body><form method="post" action=""><div class="int"><label for="username">用户名:</label><input type="text" id="username" class="required"/></div><div class="int"><label for="email">邮箱:</label><input type="text" id="email" class="required"/></div><div class="int"><label for="personinfo">个人资料:</label><input type="text" id="personinfo"/></div><div class="sub"><input type="submit" value="提交" id="send"/><input type="reset" id="res"/></div></form></body></html>
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