<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<link rel="stylesheet" href="style.css">
<title>Document</title>
</head>
<body>
<div class="background1">Div1</div>
<div class="background2">Div2</div>
<div class="background3">Div3</div>
<div class="background4">Div4</div>
<div class="fixed-background">This should change color based on background</div>
</body>
</html>
div {
height: 100vh;
}
.background1 {
background: gray;
}
.background2 {
background: black;
}
.background3 {
background: blue;
}
.background4 {
background: tomato;
}
.fixed-background {
position: fixed;
top: 10px;
left: 10px;
width: 100px;
height: 100px;
mix-blend-mode: difference;
}
大家好，我尝试根据另一个div的背景使用fixed-background类来更改div的背景和颜色。我遇到了 mix-blend-mode CSS 属性，但它似乎不起作用。
我到目前为止还不是 CSS 专家，有人可以帮助我让它工作吗？如果我让它与 JS 函数一起工作，我不会不高兴。
最佳答案
我一直在尝试mix-blend-mode，也许我已经得到了你需要的东西。请检查一下。重要的是您必须检查浏览器的兼容性。
https://developer.mozilla.org/en-US/docs/Web/CSS/mix-blend-mode
body {
margin-bottom: 50vh;
}
.background1,
.background2,
.background3,
.background4 {
height: 50vh;
}
.background1 {
background: gray;
}
.background2 {
background: black;
}
.background3 {
background: blue;
}
.background4 {
background: tomato;
}
.fixed {
position: fixed;
top: 10px;
right: 10px;
width: 100px;
height: 100px;
mix-blend-mode: screen;
}
.fixed-text {
background: green;
color: maroon;
mix-blend-mode: difference;
z-index: 3;
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
}<div class="background1">Div1</div>
<div class="background2">Div2</div>
<div class="background3">Div3</div>
<div class="background4">Div4</div>
<div class="fixed">
<div class="fixed-text">
This should change color based on background
</div>
</div>关于javascript - 根据背景更改固定位置div的背景和字体颜色，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/60834601/