Counter Button
Description : It is a javascript based button counter. In this we declare global variable counter which counts the button clicks. The updated counter value is displayed as a text in heading.
Example:
0
Html Code
<!DOCTYPE html>
<html>
<head>
<title>Counter Button</title>
<script>
var counter = 0;
function countBtnClicks() {
counter = counter + 1;
document.getElementById("txtBtnCount").innerHTML = counter;
}
</script>
</head>
<body>
<h2 id="txtBtnCount">0</h2>
<button onclick="countBtnClicks()">Counter Button</button>
</body>
</html>
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