AS3 Clicktag错误#1010

问题描述

我获得了这个clicktag，但它不起作用:

I got this clicktag but it does not work:

MyClickTagButton.addEventListener(
  MouseEvent.CLICK,
  function():void {
    if (root.loaderInfo.parameters.clickTAG.substr(0,5) == "http:") {
      navigateToURL(
        new URLRequest(root.loaderInfo.parameters.clickTAG), "_blank"
      );
    }
  }
);

当我单击它时，出现此错误:

When I click it I get this error:

TypeError: Error #1010: A term is undefined and has no properties.
           at Function/< anonymous >()

推荐答案

使用匿名函数作为事件处理程序是一种不好的做法……

Using anonymous functions as event handlers is a bad practice…

第二，您的按钮是否具有实例名称MyClickTagButton?如果不是，那么您要么必须更改其实例名称，要么更改代码以匹配现有的实例名称.

Secondly, do your button has an instance name MyClickTagButton? If not you either has to change its instance name either alter the code to match existing instance name.

MyClickTagButton.addEventListener(MouseEvent.CLICK, onButtonClick);
//this has to match the instance name of the button

function onButtonClick(e:MouseEvent):void 
{
    if (root.loaderInfo.parameters.clickTAG.substr(0,5) == "http:") 
    {
         navigateToURL(new URLRequest(root.loaderInfo.parameters.clickTAG), "_blank");
    }
}

是的，最后一件事:当您在独立播放器中对其进行测试时，未设置clickTAG参数，因此，当您单击按钮时，可能什么也不会发生.

Ah, and the last thing: when you test it in the standalone player the clickTAG parameter is not set, so probably nothing will happen when you click the button.

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