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<!DOCTYPE html> <html> <body> <p>单击此按钮将调用 onclick 事件，并检查它是否可信：</p> <button id="myBtn" onclick="myFunction(event)">试一试</button> <p>点击该按钮通过脚本触发onclick事件，判断是否可信：</p> <button onclick="triggerClick()">试一试</button> <p><strong>注意：</strong> Safari 和 IE8 及更早版本不支持 isTrusted 属性。</p> <script> function myFunction(event) { if ("isTrusted" in event) { if (event.isTrusted) { alert ("The " + event.type + " event is trusted."); } else { alert ("The " + event.type + " event is not trusted."); } } else { alert ("您的浏览器不支持 isTrusted 属性"); } } function triggerClick() { var btn = document.getElementById("myBtn"); btn.click(); } </script> </body> </html>