how to show hide div in html javascript


<!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="myFunction()">Click Me</button>

<div id="myDIV">
 
This is my DIV element.
</div>

function myFunction() {
  var x = document.getElementById("myDIV");

  if (x.style.display
=== "none") {
    x.style.display = "block";
  } else {
    x.style.display =
"none";
  }
}

www.codegrepper.com
www.stackoverflow.com

how to select the first div in jQuery


<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>first demo</title>
<style>
td {
color: blue;
font-weight: bold;
}
</style>
<script src="https://code.jquery.com/jquery-3.5.0.js"></script>
</head>
<body>

<table>
<tr><td>Row 1</td></tr>
<tr><td>Row 2</td></tr>
<tr><td>Row 3</td></tr>
</table>

<script>
$( "tr:third" ).css( "font-style", "italic" );
</script>

</body>
</html>

www.codegrepper.com
www.stackoverflow.com