Javascript 覆盖由facebook pixel初始化的窗口函数fbq

Javascript 覆盖由facebook pixel初始化的窗口函数fbq,javascript,facebook-pixel,Javascript,Facebook Pixel,我有很多fbq电话的网站,我想从google tag manager覆盖所有这些电话 <script> //this snippet is in the page source and I don't have access to change it !function(f,b,e,v,n,t,s) {if(f.fbq)return;n=f.fbq=function(){n.callMethod? n.callMethod.apply(n,arguments):n.q

我有很多fbq电话的网站,我想从google tag manager覆盖所有这些电话

<script>
  //this snippet is in the page source and I don't have access to change it
  !function(f,b,e,v,n,t,s)
  {if(f.fbq)return;n=f.fbq=function(){n.callMethod?
  n.callMethod.apply(n,arguments):n.queue.push(arguments)};
  if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';
  n.queue=[];t=b.createElement(e);t.async=!0;
  t.src=v;s=b.getElementsByTagName(e)[0];
  s.parentNode.insertBefore(t,s)}(window, document,'script',
  'https://connect.facebook.net/en_US/fbevents.js');
  fbq('init', 'XXX');
  fbq('track', 'PageView');
</script>

<script>
  //this one in google tag manager
  var origFbq = window.fbq;
  window.fbq = function(action, event, params) {
    params = params || {};
    if(action == 'track') {
      console.log(action, event, params);
    }
    origFbq(action, event, params);  
  };
</script>

//此代码段位于页面源代码中,我无权更改它
!函数(f,b,e,v,n,t,s)
{if(f.fbq)返回;n=f.fbq=function(){n.callMethod?
n、 apply(n,参数):n.queue.push(参数)};
如果(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';
n、 队列=[];t=b.createElement(e);t.async=!0;
t、 src=v;s=b.getElementsByTagName(e)[0];
s、 parentNode.insertBefore(t,s)}(窗口,文档,'script',
'https://connect.facebook.net/en_US/fbevents.js');
fbq('init','XXX');
fbq(“轨迹”、“页面视图”);
//这是谷歌标签管理器中的一个
var origFbq=window.fbq;
window.fbq=函数(动作、事件、参数){
params=params |{};
如果(操作==‘跟踪’){
日志(操作、事件、参数);
}
origFbq(动作、事件、参数);
};
当我收到控制台消息时,它对我有效 但同时我收到了错误

fbevents.js:25未捕获类型错误:无法读取的属性“length” 未定义 在qa(fbevents.js:25)

而且数据不会发送到facebook。这可以在facebook pixel helper中看到

如何覆盖fbq函数以获得控制台消息和正确的fbq函数调用