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Editorial Team
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Asked: 2026-05-26T08:47:10+00:00

Why doesn’t this work? <button onclick = function(){alert(‘Hello’);}>press me</button> while this does: <button onclick

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Why doesn’t this work? 

<button onclick = "function(){alert('Hello');}">press me</button>

while this does:

<button onclick = "alert('Hello');">press me</button>
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1 Answer

  1. Editorial Team

    They both work. The first one defines a function, but doesn’t call it. The second one actually calls alert.

    If you’re trying to define and call an anonymous function, try this:

    <button onclick = "(function(){alert('Hello');})()">press me</button>
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