Firefox Javascript，停止脚本
基本上，这个脚本检查用户是否正在运行某个插件，如果是，它会显示一个警报...问题是在它显示警报之后，Firefox 的旋转轮不断旋转，就像在等待什么东西一样。如果我刷新页面，脚本将不起作用...
这是代码：
<script language="javascript">
var isInstalled = false;
function run_if_true() {
isInstalled = true;
document.write("Your addon is installed\n<br>");alert("a");
}
function check_installed() {
if (isInstalled==false) {
document.write("Not installed"); // You can instead have an alert here
} else {
document.write("is installed");
}
}
</script>
</head>
<body onload="javascript:check_installed()">
testing!
<img src="chrome://fil/content/sd.gif"
width="0"
height="0"
onload="javascript: run_if_true()"
style="visibility:hidden">
</body>
</html>
Basically, this script checks if the user is running a certain addon, if yes, it shows an alert... the problem is after it shows the alert Firefox's spinning wheel keeps spinning like it's waiting for something. And if I refresh the page the script does not work...
This is the code:
<script language="javascript">
var isInstalled = false;
function run_if_true() {
isInstalled = true;
document.write("Your addon is installed\n<br>");alert("a");
}
function check_installed() {
if (isInstalled==false) {
document.write("Not installed"); // You can instead have an alert here
} else {
document.write("is installed");
}
}
</script>
</head>
<body onload="javascript:check_installed()">
testing!
<img src="chrome://fil/content/sd.gif"
width="0"
height="0"
onload="javascript: run_if_true()"
style="visibility:hidden">
</body>
</html>
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评论（2）
调用 document.write() 后，需要一个 document.close()。
请参阅此链接。
After calling document.write(), you need a document.close().
See this link.
Firefox 4 已禁用加载 Chrome URL 的功能 - 您仍想这样做吗？我猜旋转可能与需要调用
document.close();（正如我看到其他人刚刚提到的那样）The ability to load Chrome URLs has been disabled by Firefox 4--you still want to do this? The spinning, I'd guess might relate to a need for a call to
document.close();(as I see someone else just mentioned)