JavaScript document.getElementsByClassName() - JavaScript Tutorial 104

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- used to access HTML elements by their class attribute value.

- used to change content of referenced HTML element.

- used to apply css styles to referenced HTML element.

Example code:
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Accessing HTML Elements</title>
</head>
<body>
<p class="redborder">Paragraph Text</p>
<p class="redborder">Paragraph Text</p>
<p class="redborder">Paragraph Text</p>
<br/>
<p class="greenborder">Paragraph Text</p>
<p class="greenborder">Paragraph Text</p>
<p class="greenborder">Paragraph Text</p>
<p class="greenborder">Paragraph Text</p>

<script type="text/javascript">

{
redborderparagraphs[i].innerHTML = "Group1";
}


{
greenborderparagraphs[i].innerHTML = "Group2";
}

</script>

</body>
</html>

Note:
- replace < with less-than symbol.
- replace > with greater-than symbol.

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