javascript hide show div

JavaScript
// 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>
<button onclick="toggleText()">button</button>
<p id="Myid">Text</p>
<script>
function toggleText(){
  var x = document.getElementById("Myid");
  if (x.style.display === "none") {
    x.style.display = "block";
  } else {
    x.style.display = "none";
  }
}
</script><!DOCTYPE html>
<html>
<head>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script>
$(document).ready(function(){
  $("#hide").click(function(){
    $("#1").hide();
    $("#2").show();
  });
  $("#show").click(function(){
    $("#1").show();
    $("#2").hide();
  });
});
</script>
</head>
<body>

<p id="1">Area 1</p>
<p id="2" style="display: none;">Second area</p>

<button id="show">Area 1</button>
<button id="hide">Second Area</button>

</body>
</html>
Source