function clearTxtByInput() {
document.getElementById("txtContent").value = "";
}
function FillTxtByInput() {
document.getElementById("txtContent").value = "输入搜索条件";
}
//禁用键盘上的某几个键 调用onkeydown="ForbidKeys();"
function ForbidKeys() {
var content = window.event.keyCode;
if (content >= 65 && content <= 68) {
window.event.returnValue = false;
} else {
window.alert(content);
}
}
//禁止复制网页内容 <body oncopy="forbidCopy();">
function forbidCopy() {
window.event.returnValue = false;
window.clipboardData.setData("Text", "");
alert("禁止复制网页内容！");
}
//设置复制内容 附加 本网站的URL
function SetCopyContent() {
window.event.returnValue = false;
var content = document.title + "/r/n";
content += document.getElementById("txt1").value + "/r/n";
content += "本资源来自 " + this.location.href;
window.clipboardData.setData('Text', content);
alert("复制成功，请粘贴到你的QQ/MSN上推荐给你的好友");
}
//禁止刷新F5 和Ctrl+F5
function ForbidFreshPage() {
if ((window.event.ctrlKey && window.event.keyCode == 116) || window.event.keyCode == 116) {
window.event.keyCode = 0;
window.event.returnValue = false;
}
}
document.onkeydown = ForbidFreshPage;
//屏蔽JS错误
function killErrors() {
return true;
}
window.onerror = killErrors;
</script>
</head>
<body>
<form runat="server">
<div>
<input type="text" value="Hello World!" />
<input type="button" value="复制文本框中的值" />
<input value="输入搜索条件" onblur="FillTxtByInput();" />
<p>content</p>
</div>
</form>
</body>
</html>
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