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How to call a JavaScript function on click?
To call a function on click of a button in JavaScript, use onclick. Try to run the following code to call a function onclick in JavaScript −
Example
<html>
<head>
<script>
function sayHello() {
document.write ("Hello there!");
}
</script>
</head>
<body>
<p>Click the following button to call the function</p>
<form>
<input type = "button" onclick = "sayHello()" value = "Say Hello">
</form>
<p>Use different text in write method and then try...</p>
</body>
</html>
Updated on: 19-Jun-2020
1K+ Views
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