Javascript 覆盖由facebook pixel初始化的窗口函数fbq
我有很多fbq电话的网站,我想从google tag manager覆盖所有这些电话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
<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