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Editorial Team
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Asked: 2026-05-15T11:14:09+00:00

Once #theButton is clicked, an alert should be triggered. Why aren’t any of the

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Once #theButton is clicked, an alert should be triggered. Why aren’t any of the events being triggered using the following methods?

            var theButton = document.getElementById("theButton");
       
            theButton.onclick = function(){alert("Clicked!");}
            theButton.onclick = clickAlert;
            theButton.onclick(alert("Clicked!"));
    
            function clickAlert(){
                alert("Clicked!");
            }
        </script>
    </head>
    <body>
        <input type="button" id="theButton">
    </body>
</html>
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1 Answer

  1. Editorial Team

    You have three problems

    1. You misspell function on line 7. (This generates a runtime error, by the way)
    2. You try to access the node #theButton before it’s available in the DOM. Take Pekka’s advice for this one
    3. You overwrite the onclick property on line 8 – not sure if you’re doing that on purpose or what
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