Code demo:
]
Structure:
The code is as follows:
The code is like this:
The code is as follows:
function $(id) {
return document.getElementById(id);
};
var EventUnit = {
addHandler: function(element, type, handler) {//添加事件处理程序
if(element.addEventListener) {
element.addEventListener(type, handler) , 거짓);
} else if(element.attachEvent) {
element.attachEvent('on' 유형, 핸들러);
} else {
요소['on' 유형] = 핸들러;
};
},
getEvent: function(event) {
return event ? 이벤트 : window.event;
},
preventDefault: function(event) {//取消事件默认动작
if(event.preventDefault) {
event.preventDefault();
} else {
event.returnValue = false;
};
}
}
EventUnit.addHandler(window, 'load', function() {
var Wrap = $('wrap');
var menu = $(' menu');
var menuStyle = menu.style.display;
var x = Wrap.offsetLeft Wrap.clientWidth, y = Wrap.offsetTop Wrap.clientHeight;
var w = 0, h = 0;
var left = 0, top = 0;
EventUnit.addHandler(wrap, 'contextmenu', function(event) {
event = EventUnit.getEvent(event);
EventUnit. PreventDefault(event);
menu.style.display = 'block';
w = menu.clientWidth;
h = menu.clientHeight; >= w) ? event.clientX - Wrap.offsetLeft : event.clientX - Wrap.offsetLeft - w;
top = (event.clientY h <= y) ? event.clientY - Wrap.offsetTop : 이벤트. clientY - Wrap.offsetTop - h;
menu.style.left = 왼쪽 'px';
menu.style.top = 상단 'px'
}); addHandler(document, 'click', function() {
menu.style.display = menuStyle;
})
});
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