• 自定义oncontextmenu


    <!doctype html>
    <html>
    <head>
    <meta charset="utf-8">
    <meta name="author" content="智能社 - zhinengshe.com" />
    <meta name="copyright" content="智能社 - zhinengshe.com" />
    <title>智能社 - www.zhinengshe.com</title>
    <style>
    *{margin:0;padding:0;list-style:none;}
    #menu1{display:none; position:absolute;left:0;top:0;100px; border:1px solid #000; overflow:hidden;}
    
    #menu1 li{100%; height:30px; line-height:30px; text-align:center; background:#ccc; border-bottom:1px solid #000;}
    #menu1 li:hover{ background:#c00; color:#fff;}
    #ul1 li{float:left;200px; height:30px; line-height:30px; text-align:center; background:#ccc; border:1px solid #000; margin:10px;}
    
    </style>
    <script>
    
    
    window.onload = function(){
        var oUlMenu = document.getElementById("menu1");
        var aMLi = oUlMenu.children;
        var oUl = document.getElementById("ul1");
        var aLi = oUl.children;
        
        var currentLi = null;
        for(var i = 0; i < aLi.length; i++){
            aLi[i].oncontextmenu = function(ev){
                currentLi = this;
                var oEvent = ev || event;
                oUlMenu.style.display = "block";
                oUlMenu.style.left = oEvent.clientX + "px";
                oUlMenu.style.top = oEvent.clientY + "px"
                return false;//禁止默认的鼠标右击出现选项弹窗,和oncontextmenu配合使用
            };
        }
        
        aMLi[0].onclick = function(){
            currentLi.parentNode.removeChild(currentLi);
            oUlMenu.style.display = "none";    
        };
        
        aMLi[1].onclick = function(){
            currentLi.style.background = "red";
            oUlMenu.style.display = "none";    
        };
        aMLi[2].onclick = function(){
            currentLi.style.background = "green";
            oUlMenu.style.display = "none";    
        };
        
    };
    
    
    </script>
    </head>
    
    <body>
    
    <ul id="menu1">
        <li>删除</li>
        <li>变红</li>
        <li>变绿</li>
    </ul>
    
    <ul id="ul1">
        <li>00000000000000000</li>
        <li>11111111111111</li>
        <li>22222222222222</li>
        <li>3333333333333</li>
        <li>4444444444444</li>
    </ul>
    </body>
    </html>

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  • 原文地址:https://www.cnblogs.com/heboliufengjie/p/4307181.html
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