Posted on 2007-12-18 01:23
探佚 阅读(650)
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CSS/JavaScript/AJAX
一、获得事件对象
function getEventInIE(){
// 得Event对象
var oEvent = window.event;
var oMessage = "";
// 获得事件类型
oMessage += "事件类型是：" + oEvent.type + "\n";
alert(oMessage);
}
二、获得事件相关对象
function getEventElement(){
var oEvent = window.event;
var oMessage = "";
oMessage += "fromElement--->" + oEvent.fromElement.nodeName + "\n";
oMessage += "srcElement--->" + oEvent.srcElement.nodeName + "\n";
oMessage += "toElement--->" + oEvent.toElement.nodeName + "\n";
alert(oMessage);
}
三、 获得按键的ASCII码
function getKeyCode(){
var oEvent = window.event;
if(oEvent.altKey){
alert("您按下的是 altKey 键");
}
if(oEvent.shiftKey){
alert("您按下的是 shift 键");
}
if(oEvent.ctrlKey){
alert("您按下的是 ctrlKey 键");
}
// 按键的ASCII码
var iKeyCode = oEvent.keyCode;
alert("按键的ASCII码是：" + iKeyCode);
}
四、获得事件发生位置
function getEventPosition(){
var oEvent = window.event;
var oMessage = "";
// 获取事件发生时鼠标位置(不包括工具栏滚动条等)
var iClientX = oEvent.clientX;
var iClientY = oEvent.clientY;
oMessage += "clientX=" + iClientX + "\tclientY=" + iClientY + "\n";
// 获取鼠标相对于事件的对象的位置
var iOffentX = oEvent.offsetX;
var iOffentY = oEvent.offsetY;
oMessage += "offentX=" + iOffentX + "\toffsetY=" + iOffentY + "\n";
// 获取鼠标相对于屏幕的位置
var iscreenX = oEvent.screenX;
var iscreenY = oEvent.screenY;
oMessage += "screenX=" + iOffentX + "\tscreenY=" + iscreenY + "\n";
// 获取鼠标相对于父元素的位置
var iX = oEvent.x;
var iY = oEvent.y;
oMessage += "x=" + iX + "\ty=" + iY;
alert(oMessage);
}
五、获得鼠标按键
function getButton(){
var iButton = window.event.button;
switch(iButton){
case 0 :
oMessage = "未按下鼠标键";
break;
case 1 :
oMessage = "鼠标左键";
break;
case 2 :
oMessage = "鼠标右键";
break;
case 3 :
oMessage = "鼠标左右键";
break;
case 4 :
oMessage = "鼠标中键";
break;
case 5 :
oMessage = "鼠标左中键";
break;
case 6 :
oMessage = "鼠标右中键";
break;
case 7 :
oMessage = "鼠标左中右键";
break;
}
alert(oMessage);
}
六、 禁用鼠标右键
function preventRightButton(){
document.body.oncontextmenu = function(){
var oEvent = window.event;
oEvent.returnValue = false;
};
alert("禁用鼠标右键成功!");
}