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<!DOCTYPE html> <html> <body> <div id="test"> <p>单击按钮获取测试 div 的 offsetParent。</p> <p><button onclick="myFunction()">试一试</button></p> <p>offsetParent is: <span id="demo"></span></p> </div> <script> function myFunction() { var testDiv = document.getElementById("test"); document.getElementById("demo").innerHTML = testDiv.offsetParent; } </script> </body> </html>