document.getElementById("content").innerHTML=<span style='background-color:red'>" + 我+ "</span>
$("content").innerHTML:错误
document.getElementById("content").innerHTML=<span style='background-color:red'>" + 我+ "</span>
$("content").innerHTML:错误
转载于:https://www.cnblogs.com/wangtiantian/p/5000159.html