Tuesday, December 25, 2018

Class Attribute In JavaScript

Class Attribute In JavaScript


JavaScript can access element with a specified className by using the getElementsByClass() method.

Example:

<!DOCTYPE html>
<html>
<body>

<h2>Using The class Attribute in JavaScript</h2>
<p>Click the button, to hide all elements with the class name "city", with JavaScript:</p>

<button onclick="myFunction()">Hide elements</button>

<h2 class="city">Delhi</h2>
<p>Delhi   is the capital of India.</p>

<h2 class="city">Kathmandu</h2>
<p>Kathmandu is the capital of Nepal.</p>

<h2 class="city">Dhaka</h2>
<p>Dhaka is the capital of Bangladesh.</p>

<script>
function myFunction() {
  var x = document.getElementsByClassName("city");
  for (var i = 0; i < x.length; i++) {
    x[i].style.display = "none";
  }
}
</script>

</body>
</html>
Result:

Using The class Attribute in JavaScript

Click the button, to hide all elements with the class name "city", with JavaScript:

Hide elements

Delhi is the capital of India.

Kathmandu is the capital of Nepal.

Dhaka is the capital of Bangladesh.


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