JavaScript网页背景暗色和亮色开关切换

js实现网页背景暗色和亮色开关切换。开关按钮是checkbox，用css样式美化input[type=checkbox]{ height: 0; width: 0; visibility: hidden; } label { cursor: pointer; text-indent: -9999px; width: 52px; height: 27px; background: grey; float: right; border-radius: 100px; position: relative; } label::after{ content: ''; position: absolute; top: 3px; left: 3px; width: 20px; height: 20px; background-color: white; border-radius: 90px; transition: 0.3s; } input:checked + label { background-color: var(--color-headings); } input:checked + label::after { left: calc(100% - 5px); transform: translateX(-100%); } label:active:after { width: 45px; }

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