JS 小数相加

版权声明：大柱子 https://blog.csdn.net/weixin_43044132/article/details/88295820

var e = 0;
        var r = 0;
        var sum = 0;
        e = parseFloat($("#Exchangerate").text());
        r = parseFloat($("#RechargeCount").val());
        sum = (e + r).toFixed(4);
        $("#Recharge").html(sum);