用JS判断号码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
</head>
<body>
    <script type="text/javascript">
        String.prototype.Trim = function() {
            var m = this.match(/^\s*(\S+(\s+\S+)*)\s*$/);
            return (m == null) ? "" : m[1];
        }
        String.prototype.isMobile = function() {
            return (/^(?:13\d|15[89])-?\d{5}(\d{3}|\*{3})$/.test(this.Trim()));
        }
        String.prototype.isTel = function()
        {
        //"兼容格式: 国家代码(2到3位)-区号(2到3位)-电话号码(7到8位)-分机号(3位)"
        //return (/^(([0\+]\d{2,3}-)?(0\d{2,3})-)?(\d{7,8})(-(\d{3,}))?$/.test(this.Trim()));
            return (/^(([0\+]\d{2,3}-)?(0\d{2,3})-)(\d{7,8})(-(\d{3,}))?$/.test(this.Trim()));
        }
        function chkForm() {
            with(document.form1){
            if (tel.value.isMobile()||tel.value.isTel()) {
            tel.value = tel.value.Trim();
            alert("您的电话/手机号码是:" + tel.value);
            return true;
        }
        else {
            alert("请输入正确的手机号码或电话号码\n\n例如:13916752109或0712-3614072");
            tel.focus();
            return false;
            }
        }
    }
    </script>
    <form name="form1" method="post" action="" >
        <input type="text" name="tel" value="13916752109" size="15" />
        <input type="button" value="测 试" onclick="return chkForm()"/>
    </form> 
</body>
</html>
用JS判断号码

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