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HTML / CSS / JavaScript Tutorial

JavaScript DOM HTML property: className

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The className property of HTML elements within the JavaScript DOM sets / returns the class attribute of the element.

 

EXAMPLE:


HTML USED IN THIS EXAMPLE:
<!DOCTYPE html>
<html> <!-- Copyright (c) Nematrian Limited 2018 -->
<head></head>
<body>
<span id="element" class="class1"></span><br>
<span id="element2"></span>

<script>
var x = document.getElementById("element");
var x2 = document.createElement("CANVAS");
x2.setAttribute("width","150");
x2.setAttribute("height","70");
x2.setAttribute("style","border: 1px solid black");
var c2 = x2.getContext("2d");
c2.fillStyle = "blue";
c2.font = "40px Verdana";
c2.shadowBlur = "4";
c2.shadowColor = "red";
c2.shadowOffsetX = "2";
c2.shadowOffsetY = "3";
c2.fillText("Hello", 10, 50);
x.appendChild(x2);

document.getElementById("element2").innerHTML = 
  "className of element = " + x.className;
</script>

</body>
</html>


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