Jquery选择器 选择ID以 某某 字符开头的一组文本框只能输入数字

               

   <script type="text/javascript">        $.fn.numeral = function () {   //注册一个全局函数numeral            $(this).css("ime-mode", "disabled");            this.bind("keypress", function () {                if (event.keyCode == 46) {                    if (this.value.indexOf(".") != -1) {                        return false;                    }                } else {                    return event.keyCode >= 46 && event.keyCode <= 57;                }            });            this.bind("blur", function () {                if (this.value.lastIndexOf(".") == (this.value.length - 1)) {                    this.value = this.value.substr(0, this.value.length - 1);                } else if (isNaN(this.value)) {                    this.value = "";                }            });            this.bind("paste", function () {                var s = clipboardData.getData('text');                if (!/\D/.test(s));                value = s.replace(/^0*/, '');                return false;            });            this.bind("dragenter", function () {                return false;            });            this.bind("keyup", function () {                if (/(^0+)/.test(this.value)) {                    this.value = this.value.replace(/^0*/, '');                }            });        };    </script>    <script type="text/javascript" language="javascript">        $(function () {            OnlyInPutNumber();        });        function OnlyInPutNumber() {            $("input[id^='dgItem_txt']").numeral(); //找到id以dgItem_txt开头的一组文本框        }    </script>

           

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