background-blend-mode

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.

概述

background-blend-mode CSS 属性定义该元素的背景图片，以及背景色如何混合。

混合模式应该按background-image CSS 属性同样的顺序定义。如果混合模式数量与背景图像的数量不相等，它会被截取至相等的数量。

初始值normal
适用元素All elements. In SVG, it applies to container elements, graphics elements, and graphics referencing elements.. It also applies to ::first-letter and ::first-line.
是否是继承属性否
计算值as specified
动画类型Not animatable

语法

css
/* 单值 */
background-blend-mode: normal;

/* 双值，一个值对应一个背景 */
background-blend-mode: darken, luminosity;

/* 全局值 */
background-blend-mode: inherit;
background-blend-mode: initial;
background-blend-mode: revert;
background-blend-mode: revert-layer;
background-blend-mode: unset;

值

<blend-mode>

一个定义混合的模式，可以有多个值，用逗号间隔。

形式定义

初始值normal
适用元素All elements. In SVG, it applies to container elements, graphics elements, and graphics referencing elements.. It also applies to ::first-letter and ::first-line.
是否是继承属性否
计算值as specified
动画类型Not animatable

形式语法

background-blend-mode = 
  <mix-blend-mode>#

示例

css
#div {
  width: 300px;
  height: 300px;
  background: url("br.png"), url("tr.png");
  background-blend-mode: screen;
}
js
document.getElementById("select").onchange = function (event) {
  document.getElementById("div").style.backgroundBlendMode =
    document.getElementById("select").selectedOptions[0].innerHTML;
};
console.log(document.getElementById("div"));

规范

Specification
Compositing and Blending Level 2
# background-blend-mode

浏览器兼容性

BCD tables only load in the browser

参见