我正在尝试让我的网站检查屏幕分辨率并用纯文本链接替换已安装的字体图标(使用@webfont),以便该网站对移动设备更加友好。我正在使用 Opera Mobile Emulator 来检查它是否有效。我使用的用户界面清楚地返回了 480x320 的分辨率(在页面的最左上角),但 .innerHTML javascript 没有启动。有什么帮助吗?
<!DOCTYPE html>
<html>
<head>
<title>Harry's Bar</title>
<meta name="keywords" content="Harry's, bar, st. petersburg, florida, kenneth city, drink specials" />
<meta name="description" content="Harry's Bar in St. Petersburg, Florida. Drink specials every night!" />
<meta name="author" content="Internet Solutions of Florida" />
<link rel="stylesheet" type="text/css" href="styles.css" />
</head>
<body>
<script type="text/javascript">
var width=screen.width;
var height=screen.height;
document.write(width+'x'+height);
if (width<700)
{document.getElementById("homelink").innerHTML="Home";}
</script>
<div class="frame">
<div class="header">
<img class="logo" src="img/logo.png" alt="Harry's Bar" />
<div class="menu">
<ul>
<li><a id="homelink" href="index.html" title="home"></a></li>
<li><a id="drinklink" href="drinks.html" title="drink menu"></a></li>
<li><a id="piclink" href="images.html" title="picture gallery"></a></li>
<li><a id="directionslink" href="directions.html" title="directions"></a></li>
<li><a id="contactlink" href="contact.html" title="contact us"></a></li>
</ul>
</div>
</div>