如何使用javascript在頭部注入標籤。使用javascript/jQuery在<head>內注入標籤
<noscript>
<img height="1" width="1" style="display:none"
src="https://www.facebook.com/tr?id=801318466672120&ev=PageView&noscript=1"
/></noscript>
我試圖
var nonscript = document.createElement('noscript');
nonscript.innerHTML = "<img height='1' width='1' style='display:none' src='https://www.facebook.com/tr?id=801318466672120&ev=PageView&noscript=1'/>";
head.appendChild(nonscript);
,但它的到來猶如
<noscript>
"<img height="1" width="1" style="display:none"
src="https://www.facebook.com/tr id=801318466672120&ev=PageView&noscript=1"
/>" </noscript>
noscript只有在JS被禁用時纔可見 – Oriol