javascript
<button>非表示へ</button>
<div id="next">これが消えます<div>
function hideNext(e){
var nextElement = e.nextElementSibling;
if (nextElement.style.display !== 'none') {
nextElement.style.display = 'none';
e.innerHTML = ' 表示 ';
}
else {
nextElement.style.display = 'block';
e.innerHTML = '非表示';
}
}
jQuery
<button onclick="hideNext(this)">非表示へ</button>
<div id="next">これが消えます<div>
$(document).ready(function(){
$("button").click(function() {
var nextElement = $(this).next();
var nextId = nextElement.attr("id");
$("#" + nextId).toggle()
});
});