JS代码屏蔽F12,右键,粘贴,复制,剪切,选中,操作实例
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2020-10-16
09:47:35
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JS代码屏蔽代码屏蔽F12,右键右键,粘贴粘贴,复制复制,剪切剪切,选中选中,操作实例操作实例
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下。
屏蔽f12审查
<script>
document.onkeydown = function () {
if (window.event && window.event.keyCode == 123) {
alert("F12被禁用");
event.keyCode = 0;
event.returnValue = false;
}
if (window.event && window.event.keyCode == 13) {
window.event.keyCode = 505;
}
if (window.event && window.event.keyCode == 8) {
alert(str + "请使用Del键进行字符的删除操作！");
window.event.returnValue = false;
}
}
</script>
屏蔽右键菜单
<script>
document.oncontextmenu = function (event) {
if (window.event) {
event = window.event;
}
try {
var the = event.srcElement;
if (!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")) {
return false;
}
return true;
} catch (e) {
return false;
}
}
</script>
屏蔽粘贴
<script>
document.onpaste = function (event) {
if (window.event) {
event = window.event;
}
try {
var the = event.srcElement;
if (!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")) {
return false;
}
return true;
} catch (e) {
return false;
}
}
</script>
屏蔽复制
<script>
document.oncopy = function (event) {
if (window.event) {
event = window.event;
}
try {
var the = event.srcElement;
if (!((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")) {
return false;
}
return true;
} catch (e) {
return false;
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