input 开关按钮

<style type="text/css">
.switch-btn {
cursor: pointer;
45px;
height: 28px;
position: relative;
border: 1px solid #dfdfdf;
background-color: #fdfdfd;
box-shadow: #dfdfdf 0 0 0 0 inset;
border-radius: 15px;
background-clip: content-box;
display: inline-block;
-webkit-appearance: none;
user-select: none;
outline: none;
}

.switch-btn:before {
content: '';
25px;
height: 25px;
position: absolute;
top: 0;
left: 0;
border-radius: 20px;
background-color: #fff;
box-shadow: 0 1px 3px rgba(0, 0, 0, .4);
}

.switch-btn:checked {
border-color: #56b0d4;
box-shadow: #56b0d4 0 0 0 16px inset;
background-color: #56b0d4;
}

.switch-btn:checked:before {
left: 18px;
}

.switch-btn.switch-btn-animbg {
transition: background-color ease .4s;
}

.switch-btn.switch-btn-animbg:before {
transition: left .3s;
}

.switch-btn.switch-btn-animbg:checked {
box-shadow: #dfdfdf 0 0 0 0 inset;
background-color: #56b0d4;
transition: border-color .4s, background-color ease .4s;
}

.switch-btn.switch-btn-animbg:checked:before {
transition: left .3s;
}
</style>

<input class="switch-btn switch-btn-animbg onoffswitchInPatient" type="checkbox"  >

var clickSwitch = function() {
if ($("#onoffswitch").is(':checked')) {
console.log("在ON的状态下");
} else {
console.log("在OFF的状态下");
}
};

$("#onoffswitch").on('click', function () {
clickSwitch()
});

$(".onoffswitchOutPatient").attr("checked", true);