jQuery - 非法调用 [英] jQuery - Illegal invocation

问题描述

jQuery v1.7.2

我有这个功能，它在执行时给我以下错误:

I have this funcion that is giving me the following error while executing :

Uncaught TypeError: Illegal invocation

功能如下:

$('form[name="twp-tool-distance-form"]').on('submit', function(e) {
    e.preventDefault();

    var from = $('form[name="twp-tool-distance-form"] input[name="from"]');
    var to = $('form[name="twp-tool-distance-form"] input[name="to"]');
    var unit = $('form[name="twp-tool-distance-form"] input[name="unit"]');
    var speed = game.unit.speed($(unit).val());

    if (!/^d{3}|d{3}$/.test($(from).val()))
    {
        $(from).css('border-color', 'red');
        return false;
    }

    if (!/^d{3}|d{3}$/.test($(to).val()))
    {
        $(to).css('border-color', 'red');
        return false;
    }

    var data = {
        from : from,
        to : to,
        speed : speed
    };

    $.ajax({
        url : base_url+'index.php',
        type: 'POST',
        dataType: 'json',
        data: data,
        cache : false
    }).done(function(response) {
        alert(response);
    });

    return false;
});

如果我从 ajax 调用中删除 data，它会起作用.. 有什么建议吗?

If I remove data from ajax call, it works .. any suggestions?

谢谢！

推荐答案

我认为您需要将字符串作为数据值.这可能是 jQuery 内部的某些内容没有正确编码/序列化 To &来自对象.

I think you need to have strings as the data values. It's likely something internally within jQuery that isn't encoding/serializing correctly the To & From Objects.

试试:

var data = {
    from : from.val(),
    to : to.val(),
    speed : speed
};

请注意以下内容:

$(from).css(...
$(to).css(

您不需要像 To & 那样的 jQuery 包装器From 已经是 jQuery 对象了.

You don't need the jQuery wrapper as To & From are already jQuery objects.

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