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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>阻止右键菜单（阻止默认事件）</title> <style> pre{color:green;padding:10px 15px;background:#f0f0f0;border:1px dotted #333;font:12px/1.5 Courier New;} span{color:#999;} </style> <script type="text/javascript"> document.oncontextmenu = function () { return false } </script> </head> <body> <pre> <script type="text/javascript"> <span>//※oncontextmenu</span> document.oncontextmenu = function () { return false } </script> </pre> </body> </html>
跟随鼠标移动（大图展示）
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>跟随鼠标移动（大图展示）</title> <style type="text/css"> html,body{overflow:hidden;} body,div,ul,li{margin:0;padding:0;} #box ul{width:768px;height:172px;list-style-type:none;margin:10px auto;} #box li{float:left;width:170px;height:170px;cursor:pointer;display:inline;border:1px solid #ddd;margin:0 10px;} #box li.active{border:1px solid #a10000;} #box li img{width:170px;height:170px;vertical-align:top;} #big{position:absolute;width:400px;height:400px;border:2px solid #ddd;display:none;} #big div{position:absolute;top:0;left:0;width:400px;height:400px;opacity:0.5;filter:alpha(opacity=50);background:#fff url(img/loading.gif) 50% 50% no-repeat;} </style> <script type="text/javascript"> window.onload = function () { var aLi = document.getElementsByTagName("li"); var oBig = document.getElementById("big"); var oLoading = oBig.getElementsByTagName("div")[0]; var i = 0; for (i = 0; i < aLi.length; i++) { aLi[i].index = i; //鼠标划过, 预加载图片插入容器并显示 aLi[i].onmouseover = function () { var oImg = document.createElement("img"); //图片预加载 var img = new Image(); img.src = oImg.src = aLi[this.index].getElementsByTagName("img")[0].src.replace(".jpg","_big.jpg"); //插入大图片 oBig.appendChild(oImg); //鼠标移过样式 this.className = "active"; //显示big oBig.style.display = oLoading.style.display = "block"; //判断大图是否加载成功 img.complete ? oLoading.style.display = "none" : (oImg.onload = function() {oLoading.style.display = "none";}) }; //鼠标移动, 大图容器跟随鼠标移动 aLi[i].onmousemove = function (event) { var event = event || window.event; var iWidth = document.documentElement.offsetWidth - event.clientX; //设置big的top值 oBig.style.top = event.clientY + 20 + "px"; //设置big的left值, 如果右侧显示区域不够, 大图将在鼠标左侧显示. oBig.style.left = (iWidth < oBig.offsetWidth + 10 ? event.clientX - oBig.offsetWidth - 10 : event.clientX + 10) + "px"; }; //鼠标离开, 删除大图并隐藏大图容器 aLi[i].onmouseout = function () { this.className = ""; oBig.style.display = "none"; //移除大图片 oBig.removeChild(oBig.lastChild) } } }; </script> </head> <body> <div id="box"> <ul> <li><img src="img/shirt_1.jpg" /></li> <li><img src="img/shirt_2.jpg" /></li> <li><img src="img/shirt_3.jpg" /></li> <li><img src="img/shirt_4.jpg" /></li> </ul> </div> <div id="big"><div></div></div> </body> </html>
自定义右键菜单
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>自定义右键菜单</title> <style type="text/css"> body,ul,li{margin:0;padding:0;} body{font:12px/24px arial;} #menu{position:absolute;top:-9999px;left:-9999px;width:100px;border-radius:3px;list-style-type:none;border:1px solid #8f8f8f;padding:2px;background:#fff;} #menu li{position:relative;height:24px;padding-left:24px;background:#eaead7;vertical-align:top;} #menu li a{display:block;color:#333;background:#fff;padding-left:5px;text-decoration:none;} #menu li.active{background:#999;} #menu li.active a{color:#fff;background:#8f8f8f;} #menu li em{position:absolute;top:0;left:0;width:24px;height:24px;background:url(img/ico.png) no-repeat;} #menu li em.cur{background-position:0 0;} #menu li em.copy{background-position:0 -24px;} #menu li em.paste{background-position:0 -48px;} </style> <script type="text/javascript"> window.onload = function () { var oMenu = document.getElementById("menu"); var aLi = oMenu.getElementsByTagName("li"); //加载后隐藏自定义右键菜单 oMenu.style.display = "none"; //菜单鼠标移入/移出样式 for (i = 0; i < aLi.length; i++) { //鼠标移入样式 aLi[i].onmouseover = function () { this.className = "active" }; //鼠标移出样式 aLi[i].onmouseout = function () { this.className = "" } } //自定义菜单 document.oncontextmenu = function (event) { var event = event || window.event; var style = oMenu.style; style.display = "block"; style.top = event.clientY + "px"; style.left = event.clientX + "px"; return false; }; //页面点击后自定义菜单消失 document.onclick = function () { oMenu.style.display = "none" } }; </script> </head> <body> <center>自定义右键菜单，请在页面点击右键查看效果。</center> <ul id="menu"> <li><em class="cut"></em><a href="javascript:;">剪切</a></li> <li><em class="copy"></em><a href="javascript:;">复制</a></li> <li><em class="paste"></em><a href="javascript:;">粘贴</a></li> </ul> </body> </html>
阻止右键菜单（阻止默认事件）&&跟随鼠标移动（大图展示）&&自定义右键菜单
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原文地址：http://www.cnblogs.com/mayufo/p/4475029.html
