// javascript
<script>
document.getElementById("id").style.display = "none"; //hide
document.getElementById("id").style.display = "block"; //show
document.getElementById("id").style.display = ""; //show
</script>
// html
<html>
<div id="id" style="display:none">
<div id="id" style="display:block">
</html>
// jquery
<script>
$("#id").hide();
$("#id").show();
</script>
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
#myDIV {
width: 100%;
padding: 50px 0;
text-align: center;
background-color: lightblue;
margin-top: 20px;
}
</style>
</head>
<body>
<p>Click the "Try it" button to toggle between hiding and showing the DIV element:</p>
<button onclick="myFunction()">Try it</button>
<div id="myDIV">
This is my DIV element.
</div>
<p><b>Note:</b> The element will not take up any space when the display property set to "none".</p>
<script>
function myFunction() {
var x = document.getElementById("myDIV");
if (x.style.display === "none") {
x.style.display = "block";
} else {
x.style.display = "none";
}
}
</script>
</body>
</html>
<script type="text/javascript">
<!--
function toggle_visibility(id) {
var e = document.getElementById(id);
if(e.style.display == 'block')
e.style.display = 'none';
else
e.style.display = 'block';
}
//-->
</script>
<!-- Inline Usage in HTML -->
<a href="#" onclick="toggle_visibility('foo');">Click here to toggle visibility of element #foo</a>
<div id="foo">This is foo</div>var link = document.getElementById('nav-ask');
link.style.display = 'none'; //or
link.style.visibility = 'hidden';document.querySelector("#test").hidden = true;
document.querySelector("#test").hidden = false;