
具体代码:
<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>右键菜单</title><style type="text/css">*{margin: 0;padding: 0;}#menu{width: 254px;/*background-color: #ccc;*/font-size: 12px;position: fixed;top: 0px;left: 0px;/*height: 240px;*//*padding-left: 26px;*/padding-top: 2px;border:1px solid #ccc;display: none;}#menu li{list-style: none;line-height: 25px;margin-left: -1px;padding-left: 26px;}#menu li:hover{background-color: #4281f4;color: #fff;}</style></head><body> <ul id="menu"> <li>返回(B)</li> <li>前进(F)</li> <li>从新加载(R)</li> <li>另存为(A)</li> <li>打印(P)</li> <li>查看网页源代码(V)</li> <li>查看网页信息(I)</li> <li>审查元素(N)</li> </ul> <script type="text/javascript">var menu = document.getElementById("menu");document.oncontextmenu =function(e){var e = e ||window.event;//兼容 console.log(e.clientX,e.clientY); console.log(e); //单击显示div menu.style.display = "block"; //设置定义 //判断鼠标坐标是否大于视口宽度-块本身宽度 var cakLeft = (e.clientX > document.documentElement.clientWidth - menu.offsetWidth)?(document.documentElement.clientWidth - menu.offsetWidth):e.clientX; var cakTop = (e.clientY > document.documentElement.clientHeight - menu.offsetHeight)?(document.documentElement.clientHeight - menu.offsetHeight):e.clientY; menu.style.left = cakLeft + "px"; menu.style.top = cakTop + "px";return false;}menu.onclick = function(e) {var e = e || window.event;e.cancelBubble = true;//阻止冒泡。} document.onclick = function() {menu.style.display = "none";}</script></body></html>希望本文所述对大家学习javascript程序设计有所帮助。