js禁用右键菜单选中复制剪切粘贴
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//屏蔽右键菜单
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;
}
}
//屏蔽粘贴
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;
}
}
//屏蔽复制
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;
}
}
//屏蔽剪切
document.oncut = 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;
}
}
//屏蔽选中
document.onselectstart = 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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