Javascript 泛光灯跟踪 iframe 使浏览器窗口空白，请帮忙！

发布于 2024-08-29 08:56:43 字数 630 浏览 13 评论 0原文

我被要求在我的网站上实现一个 javascript Floodlight 标签，每次客户下载 pdf 文件时都会调用该标签。我尝试按如下方式实现：

<script type="text/javascript">
function appForm() {
 var axel = Math.random() + "";
 var a = axel * 10000000000000;
 document.write('<IFRAME SRC="http://fls.doubleclick.net/activityi;src=1234567;type=count123;cat=123do456;ord=1;num='+ a + '?" WIDTH=1 HEIGHT=1 FRAMEBORDER=0></IFRAME>');
 return false;
}
</script>
<a href="appForm.pdf" target="_blank" onClick="appForm();">Download PDF</a>

这似乎几乎可行。 pdf 文件在新窗口中打开。但您单击下载链接的窗口会变成空白。有没有办法打开这个跟踪 iframe，然后打开 pdf，而父窗口不会变成空白？非常感谢您的帮助。

原文

I have been asked to implement a javascript floodlight tag onto my site which is to be called everytime a customer downloads a pdf file. I have tried to implement this as follows:

<script type="text/javascript">
function appForm() {
 var axel = Math.random() + "";
 var a = axel * 10000000000000;
 document.write('<IFRAME SRC="http://fls.doubleclick.net/activityi;src=1234567;type=count123;cat=123do456;ord=1;num='+ a + '?" WIDTH=1 HEIGHT=1 FRAMEBORDER=0></IFRAME>');
 return false;
}
</script>
<a href="appForm.pdf" target="_blank" onClick="appForm();">Download PDF</a>

This seems to almost work. The pdf file opens in a new window. But the window where you clicked the download link turns blank. Is there a way of opening this tracking iframe and then having the pdf opening without the parent window going blank? Your help will be very much appreciated on this.

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别挽留 2024-09-05 08:56:43

页面加载后，无法可靠地使用 document.write()。使用更现代的 document.createElement 函数及其朋友：（

var iframe = document.createElement("iframe");
iframe.setAttribute("src", "http://...");
iframe.setAttribute("width", "1");
iframe.setAttribute("height", "1");
iframe.setAttribute("frameborder", "0");
document.body.appendChild(iframe);

未经测试，但似乎应该可以工作......）

document.write() can't be reliably used after the page has loaded. Use the more modern document.createElement function and its friends:

var iframe = document.createElement("iframe");
iframe.setAttribute("src", "http://...");
iframe.setAttribute("width", "1");
iframe.setAttribute("height", "1");
iframe.setAttribute("frameborder", "0");
document.body.appendChild(iframe);

(untested, but seems like it should work...)

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