HTML | DOM exitFullscreen() 方法

exitFullscreen()方法请求将当前处于全屏模式的元素从全屏模式中取出。如果元素未处于全屏模式，则不会发生任何更改。此方法的反面是requestFullscreen() 。

句法：

HTMLElementObject.exitFullscreen()

参数：不需要参数。

返回值：无返回值。

例子：

  

    
      HTML | DOM exitFullscreen() Method
    
  
    
    
        var elem = document.documentElement;
  
        function closeFullscreen() {
            if (document.exitFullscreen)
                document.exitFullscreen();
        }
  
        function openFullscreen() {
            if (elem.requestFullscreen)
                elem.requestFullscreen();
        }
    

  

  
    Welcome to GeeksforGeeks
    
      Click on the "Open Fullscreen" button to open this page in" 
      + "fullscreen mode. Close it by either clicking the "Esc" key"
      +" on your keyboard, or with the "Close Fullscreen" button.
    
  
    
      Open Fullscreen
    
    
      Close Fullscreen
    
  

  

输出：
打开全屏

退出全屏

支持的浏览器： DOM exitFullscreen()方法支持的浏览器如下：

• 谷歌浏览器
• IE浏览器
• 火狐
• 歌剧
• 苹果浏览器