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OnClick in JavaScript

How to execute a JavaScript function on click of the element?

In case we have to execute a JavaScript function on click of the element, we can use this approach.

    <script>
        function TestFunction() {
            alert("Click event fired.")
        }
    </script>

    <input type="button" id="btnTest" onclick="TestFunction()" value="Click me" />

In the above code snippet, TestFunction() fires when user clicks on the "Click me" button.

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