W3School TIY
编辑您的代码：
<html> <head> <script type="text/javascript"> function changeLineHeight() { document.getElementById("div1").style.lineHeight="2"; } </script> </head> <body> <div id="div1"> This is some text. This is some text. This is some text. This is some text. This is some text. This is some text. This is some text. This is some text. This is some text. This is some text. This is some text. This is some text. </div> <br /> <input type="button" onclick="changeLineHeight()" value="Change line-height" /> </body> </html>
查看结果: