[問題] button 能觸發$().focus()嗎?
我有一個button object
<button id="aaa type="button">AAA</button>
我以為點下去可以觸發
$('#aaa').focus(function() {
alert('hi');}
);
結果什麼都沒發生,
請問我漏了什麼呢?
謝謝
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