运行效果截图：
具体代码如下：
<!DOCTYPE html> <html> <head> <title>JS实现自定义右键菜单</title> <meta http-equiv="content-type" content="text/html; charset=utf-8"> <script src="https://www.jb51.net/ajax.js"></script> <style type="text/css"> #container { text-align : center; width : 500px; height : 500px; border : 1px solid blue; margin : 0 auto; } .skin { width : 100px; border : 1px solid gray; padding : 2px; visibility : hidden; position : absolute; } div.menuitems { margin : 1px 0; } div.menuitems a { text-decoration : none; } div.menuitems:hover { background-color : #c0c0c0; } </style> <script> window.onload = function() { var container = document.getElementById('container'); var menu = document.getElementById('menu'); /*显示菜单*/ function showMenu() { var evt = window.event || arguments[0]; /*获取当前鼠标右键按下后的位置，据此定义菜单显示的位置*/ var rightedge = container.clientWidth-evt.clientX; var bottomedge = container.clientHeight-evt.clientY; /*如果从鼠标位置到容器右边的空间小于菜单的宽度，就定位菜单的左坐标（Left）为当前鼠标位置向左一个菜单宽度*/ if (rightedge < menu.offsetWidth) menu.style.left = container.scrollLeft + evt.clientX - menu.offsetWidth + "px"; else /*否则，就定位菜单的左坐标为当前鼠标位置*/ menu.style.left = container.scrollLeft + evt.clientX + "px"; /*如果从鼠标位置到容器下边的空间小于菜单的高度，就定位菜单的上坐标（Top）为当前鼠标位置向上一个菜单高度*/ if (bottomedge < menu.offsetHeight) menu.style.top = container.scrollTop + evt.clientY - menu.offsetHeight + "px"; else /*否则，就定位菜单的上坐标为当前鼠标位置*/ menu.style.top = container.scrollTop + evt.clientY + "px"; /*设置菜单可见*/ menu.style.visibility = "visible"; LTEvent.addListener(menu,"contextmenu",LTEvent.cancelBubble); } /*隐藏菜单*/ function hideMenu() { menu.style.visibility = 'hidden'; } LTEvent.addListener(container,"contextmenu",LTEvent.cancelBubble); LTEvent.addListener(container,"contextmenu",showMenu); LTEvent.addListener(document,"click",hideMenu); } </script> </head> <body> <div> <div> <a href="javascript:history.back();">后退</a> </div> <div> <a href="javascript:history.back();">前进</a> </div> <hr> <div> <a href="" target="_blank">地图api</a> </div> <div> <a href="" target="_blank">实时交通</a> </div> <div> <a href="" target="_blank">地图搜索</a> </div> <div> <a href="" target="_blank">驾驶导航</a> </div> <hr> <div> <a href="" target="_blank">灵图UU</a> </div> <div> <a href="" target="_blank">路书下载</a> </div> <hr> <div> <a href="" target="_blank">关于本站</a> </div> <div> <a href="" target="_bland">友情链接</a> </div> </div> <div> <p>右键此区域</p> </div> </body> </html>
其中ajax.js代码如下：
复制代码 代码如下:
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false;yq(i,{LTEvent:a,LTPoint:W,LTObjectLoader:E,LTAjax:S,LTPointMercator:wq,LTPointWGS84:eq,LTHashMap:rq,LTBase64:tq});Q();};LTNS();
示例2：
运行效果截图如下：
具体代码如下：