<html><body><img id="myImg" src="/i/pic/w3logo.png" width="180" height="167"><p>这是一个段落。</p><p>这是另一个段落。</p><button type="button" onclick="floatRight()">向右浮动</button><button type="button" onclick="floatLeft()">向左浮动</button><script>function floatRight() { document.getElementById("myImg").style.cssFloat = "right";}function floatLeft() { document.getElementById("myImg").style.cssFloat = "left";}</script></body></html>