Select the onchange event from the list of events on the left side.

从左边的事件列表中选择onchange事件。

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Button, whereas the original example worked on the onchange event of the element itself.

按钮，而原始示例在元素本身上的onchange事件上工作。

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Button, whereas the original example worked on the onchange event of the element itself.

按钮，而原始示例在元素本身上的onchange事件上工作。

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