HTML文件<!doctype html><html><head><meta charset="utf-8"><title>無標題文檔</title><link rel="stylesheet" href="css/untitled.css"></head><body><div class="main" id="main"><!--圖片-->?<div class="banner">??<a>???<div class="slide slide_1"></div>??</a>??<a>???<div class="slide slide_2"></div>??</a>??<a>???<div class="slide slide_3"></div>??</a>?</div><!--上一張、下一張--><a href="javascriptviod(0)" class="button prev"></a><a href="javascriptviod(0)" class="button next"></a><!--圓點--><div class="dots">?<span class="active"></span>?<span></span>?<span></span></div></div><script src="js/Untitled.js" ></script></body></html>CSS文件@charset "utf-8";/* CSS Document */*{?margin: 0;?padding: 0;}ul{?list-style: none;}body{?color: #14191E;?font-family: "微軟雅黑"}/*公用*/.main{?width: 1200px;?height: 460px;?overflow: hidden;?margin: 30px auto;?position: relative;}.banner{?width: 1200px;?height: 460px;?overflow: hidden;?position: relative;}.slide{?width: 1200px;?height: 460px;?position: absolute;}.slide_1{?background-image:url(../img/slide_1.jpg)}.slide_2{?background-image: url(../img/slide_2.jpg)}.slide_3{?background-image: url(../img/slide_3.jpg)}/*按鈕*/.button{?width: 40px;?height: 80px;?position: absolute;?top: 50%;?margin-top: -40px;?left: 244px;?background:url(../img/button.png) no-repeat center center}.next{?left: auto;?right: 20px;?transform: rotate(180deg)}.button:hover{?background-color:#999;?opacity: 0.8}/*圓點*/.dots{?position: absolute;??? right: 20px;?bottom: 24px;?text-align: right;}.dots span{?display: inline-block;?width: 12px;?height: 12px;?border-radius: 50%;?background: rgba(7,17,27,0.4);?box-shadow: 0 0 0 2px rgba(255,255,255,0.8) inset;?margin-left: 8px;?line-height: 12px;}.dots span.active{?background: #fff;?box-shadow: 0 0 0 2px rgba(7,17,27,0.4) inset;}JS文件不知道問啥，寫個functiong byId（id）{}??????????????? 它前面的序號就紅了主要問題是：控制臺老是顯示下面的內容：控制臺提示 XML5619: 文檔語法不正確。行: 1，列 1???????咋回事？
控制臺提示 XML5619: 文檔語法不正確。怎么辦？
慕仰5995983
2018-09-16 12:37:52
