CSS中如何定义背景的绘制区域？

任务是定义背景的绘制区域。 CSS background-clip 属性倾向于对受害程度进行平方测量，以勾勒出任何网页背景的绘制空间。它指定在此范围内，我们将根据其内容或其中包含的图像/视频修改网页的背景。

句法：

background-clip: border-box/padding-box/content-box/initial/inherit;

此属性包含的值：

对于各种函数，主要测量此属性的五个值，让我们检查它们的工作方式和方式。

Value	Description
border-box	This worth is ready by default conjointly once there’s no declaration, and it specifies the painting space behind the border.
padding-box	It specifies the painting space to be among the border not over it.
content-box	It specifies the painting space to be solely among the content we’ve written.
initial	Whatever be the property worth declared earlier it simply set it once more to its default worth suggests that border-box worth.
inherit	It works because it has named it inherits the painting space of its parent component.

例子：

• 使用属性值：

HTML

  

    

  

  
    
Example for background-clip Property
  
    

        
        
This value is set by default also when there is 
            no declaration and it specifies the painting
             area behind the border.
    
  
      
background-clip: padding-box:
  
    

        
        
It specifies the painting area to
          be within the border not over it.
    
  
      
background-clip: content-box:
  
    

        
        
It specifies the painting g area to be only 
            within the content we have written.
    
  

  

输出：

• 使用 JavaScript 翻转值：

HTML

  

    
        #GFG {
            /* This sets CSS property of the div which id is GFG to 
            be styled dashed and in green color with black background 
            having certain padding with background-clip to be 
            border-box by default*/
            width: 50%;
            height: 400px;
            padding: 15px;
            background-color: black;
            background-clip: border-box;
            border: 20px dashed green;
        }
    

  

  
    Flip background-clip with JavaScript
    
    
            Let's Change to content-box
        
    
    
            Let's Change to padding-box
        
    
    
            Let's back to initial
        
    
    
    
  
    
        /* These are the functions which will be triggered when the 
           corresponding button will be clicked and sets the 
           CSS background-clip property accordingly */
        function myFunctionC() {
            document.getElementById(
                "GFG").style.backgroundClip = "content-box";
        }
  
        function myFunctionP() {
            document.getElementById(
                "GFG").style.backgroundClip = "padding-box";
        }
  
        function myFunctionI() {
            document.getElementById(
                "GFG").style.backgroundClip = "initial";
        }
    
  

  

输出：