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<h3>按下回车键触发点击事件</h3>
<p>按下 "Enter/Return" 键触发点击事件。</p>
<input id="myInput" value="Some text..">
<button id="myBtn" onclick="javascript:alert('Hello World!')">按钮</button>
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var input = document.getElementById("myInput");
input.addEventListener("keyup", function(event) {
event.preventDefault();
if (event.keyCode === 13) {
document.getElementById("myBtn").click();
}
});
输入 CSS 代码……