由于目标被视为被动,因此无法防止被动事件侦听器内的Default?为什么滚动时出现此错误?

时间:2019-04-06 10:41:15

标签: jquery html css google-chrome preventdefault

我正在使用chrome最新版本。我的应用程序抛出错误:

Unable to preventDefault inside passive event listener due to target being treated as passive. See https://www.chromestatus.com/features/6662647093133312

它阻碍了其正确滚动(即生涩滚动)的能力。我在互联网上尝试了许多解决方案,但无法解决。

请帮助我。我正在使用css3,bootstrap和html。我尝试添加被动属性等,但似乎没有任何效果。

我的代码:

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            return;

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        //AIMS
        if (ValueSelected == "m-AIMS") {

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            drpSubServices.children('option[class=HSE]').hide();

            drpSubServices.children('option[class=AIMS]').show();

            drpSubServices.children('option[class=EngineeringServices]').hide();

            return;

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        if (ValueSelected == "m-HSE") {

            $("#SubServices").show();

            var drpSubServices = $('#SubServices');

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            drpSubServices.children('option[class=HSE]').show();

            drpSubServices.children('option[class=AIMS]').hide();

            drpSubServices.children('option[class=EngineeringServices]').hide();

            return;

        }

        //Engineering Services
        if (ValueSelected == "m-ES") {

            $("#SubServices").show();

            var drpSubServices = $('#SubServices');

            drpSubServices.children('option[class=SoftwareServices]').hide();

            drpSubServices.children('option[class=HSE]').hide();

            drpSubServices.children('option[class=AIMS]').hide();

            drpSubServices.children('option[class=EngineeringServices]').show();

            return;

        }
    });

    $("#SubServices").change(function () {
        var OptionSelected = $(this).find("option:selected");
        var ValueSelected = OptionSelected.val();
        if (ValueSelected == "Other") {

            $('#divDescription').show();

        }
        else {

            $('#divDescription').hide();
        }
    });

    $("#btnSubmit").click(function () {

        var name = $("#name").val();
        var email = $("#email").val();
        var mobileno = $("#mobileno").val();
        var MainServiceName = $("#MainServices").find(":selected").text();
        var SubServiceName = $("#SubServices").find(":selected").text();
        var Description = $("#Description").val();


        var EnquiryForm = {
            'name': name,
            'email': email,
            'mobileno': mobileno,
            'MainServiceName': MainServiceName,
            'SubServiceName': SubServiceName,
            'Description': Description
        }
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            //alert(returnedData.data);

            window.location.href= '@Url.Action("Thankyou", "Others", new {message= "Thank you for contacting us. We'll get back to you soon." })';

        });*@



    });

</script>

2 个答案:

答案 0 :(得分:1)

我知道它有些旧了。但是我找到了解决我可能遇到的问题的方法。

问题是;车轮事件是否需要是被动的。诸如chrome这样的现代浏览器会因为其被动= true而受到威胁。因此出现异常。

找到Wheel事件监听器,例如“ window.addEventListener('wheel',func)”或“ window.addEventListener('wheel',func,true | false)< / strong>”,并将其更改为“ window.addEventListener('wheel',func,{passive:false})”。

我的问题就这样解决了。

答案 1 :(得分:0)

如果您的代码像使用我在 wordpress 中安装的名为 advanced-scrollbar/js/jquery.nicescroll.min.js 的插件一样被缩小,那么您应该像上面提到的 FerhatOzkanun 一样在源代码中查找细节并相应地更新它,清除缓存并重新运行,然后再次检查。对我来说,这个解决方案有效..

你可以先寻找这样的东西:

/*comment this ->return*/b.preventDefault(); /*add this*/{passive:false}

并查找此实例并替换它。

/*comment this ->e||!1*/ /*add this*/{passive:false}

指的是前面提到的window.addEventListener('wheel', func, true|false)。