32.选择器

选择器

html部分

<div class="toggle-container"><input type="checkbox" id="good" class="toggle"><label for="good" class="label"><div class="ball"></div></label><span>good</span>
</div>
<div class="toggle-container"><input type="checkbox" id="cheap" class="toggle"><label for="cheap" class="label"><div class="ball"></div></label><span>cheap</span>
</div>
<div class="toggle-container"><input type="checkbox" id="fast" class="toggle"><label for="fast" class="label"><div class="ball"></div></label><span>fast</span>
</div>

css部分

*{margin: 0;padding: 0 ;
}
body{display: flex;flex-direction: column;align-items: center;justify-content: center;height: 100vh;overflow: hidden;
}.toggle-container{display: flex;align-items: center;margin: 10px 0;width: 200px;
}
.label{position: relative;background-color: #d0d0d0;border-radius: 50px;cursor: pointer;display: inline-block;margin: 0 15px 0;width: 80px;height: 40px;
}
.toggle{visibility: hidden;
}
.toggle:checked + .label{background-color: #8e44ad;
}
.ball{background-color: #fff;height: 34px;width: 34px;border-radius: 50%;position: absolute;top: 3px;left: 3px;animation: scrollOff .3s linear forwards;
}
.toggle:checked + .label .ball{animation: scrollOn .3s linear forwards;
}@keyframes scrollOff{100%{transform: translateX(0) scale(1);} 50%{transform: translateX(20px) scale(1.2);}0%{transform: translateX(40px) scale(1);}
}
@keyframes scrollOn {50%{transform: translateX(20px) scale(1.2);}100%{transform: translateX(40px) scale(1);}
}

js部分

// 获取dom
let toggles=document.querySelectorAll(".toggle")
toggles=Array.from(toggles)// 按钮绑定事件
toggles.forEach((item)=>{item.addEventListener("change",(e)=>{const {checked,id}=e.targetif(all()){if(id=='good'){toggles[1].checked=false}if(id=='cheap'){toggles[2].checked=false}if(id=='fast'){toggles[0].checked=false}}})
})// 是否全选
function all(){return toggles.every((item)=>{return item.checked})
}