下面我们来看下这个例子吧!
复制代码 代码如下:
<html>
    <head>
        <title>jqueryDemo:quanjiaoNum</title>
        <script src="/UploadFiles/2021-04-02/jquery.js">        <script type="text/javascript"><!--
            function changeNum(){
                var qjNum=$("input[@name=qjNum]").val();
                var toAscii=qjNum.charCodeAt();
                if(toAscii > 65295 && toAscii < 65306 && qjNum.length == 11)
                {
                    var toBack = 0;
                    var temp = 0;
                    var unite = "";
                    for(var i=0;i < qjNum.length;i++)
                    {
                        toAscii=qjNum.charCodeAt(i);
                        toBack =toAscii-65248;
                        temp = String.fromCharCode(toBack);
                        unite = unite + temp ;
                    }
                    alert(unite);
                    return true;
                }
                if(toAscii > 47 && toAscii < 58 && qjNum.length == 11)
                {
                    alert(qjNum);
                    return true;
                }
                else{
                    alert("请输入正确的手机号码");
                    document.myform.qjNum.value="";
                    return false;
                }
            }

// --></script>
    </head>
    <form name="myform" action="">
        中文数字转换成阿拉伯数字:<input type="text" id="qjNum" name="qjNum"/><input type="button" value="提 交" onclick="changeNum()"/>
    </form>
</html>

这是个判断手机号的问题!另外请注意我这还用到了jquery!记得引入哦……
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