• 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")) {
            alert('请尊重版权，禁止复制');
            return false;
        }
        return true;
    } catch(e) {
        return false;
    }
}

• 屏蔽右键

document.oncontextmenu = function preventContextMenu(event) { 
    if (window.event) {
        event = window.event;
    }
    try {
        var the = event.srcElement;
        if (! ((the.tagName == "INPUT" && the.type.toLowerCase() == "text") || the.tagName == "TEXTAREA")) {
            alert("浏览器右键已被禁止");
            return false;
        }
        return true;
    } catch(e) {
        return false;
    }
}