方法1
var message="";
///////////////////////////////////
function clickIE() {if (document.all) {(message);return false;}}
function clickNS(e) {if
(document.layers||(document.getElementById&&!document.all)) {
if (e.which==2||e.which==3) {(message);return false;}}}
if (document.layers)
{document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}
document.oncontextmenu=new Function("return false")
方法2
//右鍵開始
if (window.Event)
document.captureEvents(Event.MOUSEUP);
function nocontextmenu() {
event.cancelBubble = true
event.returnValue = false;
return false;
}
function norightclick(e) {
if (window.Event) {
if (e.which == 2 || e.which == 3)
return false;
}
else
if (event.button == 2 || event.button == 3) {
event.cancelBubble = true
event.returnValue = false;
return false;
}
}
document.oncontextmenu = nocontextmenu; // for IE5+
document.onmousedown = norightclick; // for all others
//禁止選擇文本
var omitformtags = ["input", "textarea", "select"]
omitformtags = omitformtags.join("|")
function disableselect(e) {
if (omitformtags.indexOf(e.target.tagName.toLowerCase()) == -1)
return false
}
function reEnable() {
return true
}
if (typeof document.onselectstart != "undefined")
document.onselectstart = new Function("return false")
else {
document.onmousedown = disableselect
document.onmouseup = reEnable
}