你好，我需要仅使用javascript而不是jquery来最大化或最小化我的html页面中的div，我希望能够这样做http://jsfiddle.net/miqdad/Qy6Sj/1/ http://jsfiddle.net/miqdad/Qy6Sj/1/
$("#button").click(function(){
if($(this).html() == "-"){
$(this).html("+");
}
else{
$(this).html("-");
}
$("#box").slideToggle();
});
这正是我想要的，但没有 jquery
但是没有 jquery 只有 javascript，有人可以帮助我吗，我在谷歌上到处搜索，找不到答案
一个简单的谷歌搜索得出：
https://www.itcodar.com/javascript/expand-div-on-click-with-smooth-animation.html#:~:text=How%20to%20display%20a%20div%20with%20a%20smooth,transition%20must%20include%20the%20change%20of%20height.%20Thus%3A
function seeMore() {
const text = document.getElementById('website-info-idea')
const text2 = document.getElementById('website-info-technical')
text.classList.toggle("show")
text2.classList.toggle("show")
}
.col {
opacity: 0;
height: 0;
overflow: hidden;
transition: all 1s ease-in-out;
}
.col.show {
opacity: 1;
height: 23px;
transition: all 1s ease-in-out;
}
#a1 {
display:inline-block;
border: solid 2px black;
}
<div id='a1'>
<a onclick="seeMore()" class="btn btn-secondary btn-md btn-custom">About this Website</a>
<div class="col" id="website-info-idea">Idea</div>
<div class="col" id="website-info-technical">Technical</div>
</div>
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