JavaScript Tutorial

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Javascript Get Element By ClassName

In this tutorial, we will learn how to select elements by their class name using JavaScript. A class name is a way of grouping elements that share some common styles or behaviors. We will see three examples of selecting elements by class name using different methods: querySelector, getElementsByClassName, and querySelectorAll.

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Js Get Element By Class | Single Class

// Select the first element with class "example"
const element = document.querySelector(".demoClass")

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Javascript Find Element by Class | Multiple Class Access

<script>
 const elements = document.getElementsByClassName('yourClassName');
 for (var i = 0; i < elements.length; i++) {
  elements[i].classList.add('highlighted');
 }
</script>

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Javascript querySelectorAll Example

<script>
  const elements = document.querySelectorAll('.classname');
  elements.forEach(element => {
   element.style.border = '1px solid #999';
  });

</script>

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JavaScript Tutorial

Javascript Get Element By ClassName

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Js Get Element By Class | Single Class

Javascript Find Element by Class | Multiple Class Access

Javascript querySelectorAll Example