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Javascript implements right-click mouse customization menu

巴扎黑Original: 2017-09-06 10:19:002051browse

JS屏蔽鼠标右键的两种方法，比较常用的一个JS小功能，用上这个代码后，浏览者在访问你网页的时候就不能点击右键了，点了也不会弹出右键菜单，本功能最好不要用的太多哦，有时候用户会反感的。

代码如下:

&lt;html>
&lt;head>
&lt;title>屏蔽鼠标右键&lt;/title>
&lt;/head>
&lt;body oncontextmenu=self.event.returnvalue=false>
第一种方法：在body标签里加上oncontextmenu=self.event.returnvalue=false;
&lt;br>
&lt;script language="javascript">
&lt;!--
function document.oncontextmenu()
{
return false;
}


function nocontextmenu()
{
if(document.all) {
event.cancelBubble=true;
event.returnvalue=false;
return false;
}
}
-->
&lt;/script>
第二种方法：在body里加入onmousedown="rclick()" oncontextmenu= "nocontextmenu()"
&lt;br>
&lt;script language="javascript">
&lt;!--
function rclick()
{
if(document.all) {
if (event.button == 2){
event.returnvalue=false;
}
}
}
-->
&lt;/script>
&lt;br>详细情况请查看代码。&lt;br>
&lt;br>现在点击你的鼠标右键，不起作用了。
&lt;/body>
&lt;/html>

以上就是本文的全部内容，希望对大家的学习有所帮助。

,两种JS实现屏蔽鼠标右键的方法,
"

在Web端，通常是不需要右键菜单，各个浏览器也有自己的右键菜单。但是对于一些特殊的网页，是需要右键菜单来增加用户体验的，比如百度音乐，QQ邮箱，相信大家都在Web端使用过右键菜单了，现在来分享一下如何实现，比较简单。

运行代码：

window.onload = function() {
      document.oncontextmenu = block;
      document.body.onmouseup = function(event) {
        if (!event) event = window.event;
        if (event.button == 2) {
          var x = event.pageX || event.clientX;
          var y = event.pageY || event.clientY;
          document.getElementById("contextMenu").style.left = x  "px";
          document.getElementById("contextMenu").style.top = y  "px";
          document.getElementById("contextMenu").style.display = "block";
        }
      }
      //阻止事件冒泡
      document.getElementById("contextMenu").onclick = function(event) {
        event.stopPropagation();
      }
      //点击其他地方隐藏
      document.onclick = function() {
        document.getElementById("contextMenu").style.display = "none";
      }
      for (var i = 0; i &lt; getElementsByClassName("contextMenuItem").length; i ) {
 
        getElementsByClassName("contextMenuItem")[i].onclick = function(event) {
          event = event ? event : window.event
          var target = event.srcElement ? event.srcElement : event.targe;
          document.getElementById("contextMenu").style.display = "none";
          //alert("您点击了： "  target.innerHTML);
           
        }
      }
 
    }
     
    function block(event) {
      if (window.event) {
        event = window.event;
        event.returnValue = false;
      } else event.preventDefault();
    }
    //兼容IE不支持getElementsByClassName
    function getElementsByClassName(className, root, tagName) {
      if (root) {
        root = typeof root == "string" ? document.getElementById(root) : root;
      } else {
        root = document.body;
      }
      tagName = tagName || "*";
      if (document.getElementsByClassName) { 
        return root.getElementsByClassName(className);
      } else {
        var tag = root.getElementsByTagName(tagName); 
        var tagAll = [];
        for (var i = 0; i &lt; tag.length; i ) {
          for (var j = 0, n = tag[i].className.split(" "); j &lt; n.length; j ) {
            if (n[j] == className) {
              tagAll.push(tag[i]);
              break;
            }
          }
        }
        return tagAll;
      }
    }

效果图：

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