本文实例为大家分享了js实现简易点击切换显示或隐藏的具体代码，供大家参考，具体内容如下html:



css:
* {
margin:0;
padding:0;
}
#header {
width:100%;
height:50px;
background-color:cadetblue;
text-align:center;
color:white;
position:relative;
overflow:hidden;
transition:all 0.5s;
}
#header>p {
line-height:50px;
}
.close {
position:absolute;
right:5%;
top:0;
padding:10px;
line-height:30px;
cursor:pointer;
}
.open {
position:absolute;
right:5%;
padding:10px;
line-height:30px;
background-color:cadetblue;
cursor:pointer;
transition:all 0.5s;
color:white;
}
* {
margin:0;
padding:0;
}
#header {
width:100%;
height:50px;
background-color:cadetblue;
text-align:center;
color:white;
position:relative;
overflow:hidden;
transition:all 0.5s;
}
#header>p {
line-height:50px;
}
.close {
position:absolute;
right:5%;
top:0;
padding:10px;
line-height:30px;
cursor:pointer;
}
.open {
position:absolute;
right:5%;
padding:10px;
line-height:30px;
background-color:cadetblue;
cursor:pointer;
transition:all 0.5s;
color:white;
}js:
var oDiv = document.getElementById("header");
var oOpen = document.getElementsByClassName("open");
var oDivheight = oDiv.offsetHeight;
var oOpenheight = oOpen[0].offsetHeight;
oOpen[0].style.top = `-${oOpenheight}px`;

function closeTask() {
oDiv.style.height = "0";
oOpen[0].style.top = "0";
}

const openTask = () => {
oDiv.style.height = `${oDivheight}px`;
oOpen[0].style.top = `-${oOpenheight}px`;

}
var oDiv = document.getElementById("header");
var oOpen = document.getElementsByClassName("open");
var oDivheight = oDiv.offsetHeight;
var oOpenheight = oOpen[0].offsetHeight;
oOpen[0].style.top = `-${oOpenheight}px`;

function closeTask() {
oDiv.style.height = "0";
oOpen[0].style.top = "0";
}

const openTask = () => {
oDiv.style.height = `${oDivheight}px`;
oOpen[0].style.top = `-${oOpenheight}px`;

}以上就是本文的全部内容，希望对大家的学习有所帮助。