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<!DOCTYPE html> <html> <body> <h1>HTML Style 对象</h1> <h2>backgroundImage 属性</h2> <p>背景图像是：</p> <p id="demo"></p> <div id="myDiv" style="background-image:url('/i/pic/tree.png');border:1px solid black;height:400px;width:400px;"> This is myDiv.</div> <br> <script> let img = document.getElementById("myDiv").style.backgroundImage; document.getElementById("demo").innerHTML = img; </script> </body> </html>