HTML | isTrusted 事件属性

isTrusted 事件属性用于检查事件是否可信。

返回值：如果事件受信任则返回True否则返回 false 。

句法 ：

event.isTrusted

下面的程序说明了 isTrusted 事件属性：

示例：找出特定事件是否可信。

  

    isTrusted Event Property in HTML
    
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
    

  

  
    GeeksforGeeks
    isTrusted Event Property
  
    Double Click the "Check Event"
       button to check whether the event 
       is trusted or not.
  
    
      Try it
    
  
    
        // Check whether the event is trusted or not.
        function MyEvent(event) {
            if ("isTrusted" in event) {
                if (event.isTrusted) {
                    alert("The " + event.type + 
                    " is a trusted event.");
                } else {
                    alert("The " + event.type + 
                    " is not a trusted event.");
                }
            } else {
                alert("Your browser does not support "
                       +"the isTrusted property");
            }
        }
    
  

  

输出：
点击按钮前：

点击按钮后：

支持的浏览器：

• 歌剧
• IE浏览器
• 谷歌浏览器
• 火狐