D3下載地址：
https://github.com/mbostock/d3/releases/download/v3.4.8/d3.zip
二話不說給代碼：
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"/> 5 <title>topology</title> 6 <script type="text/javascript" src="d3/d3.js"></script> 7 <script type="text/javascript" src="jquery-2.0.0/jquery.js"></script> 8 </head> 9 <body> 10 <p>Sun</p> 11 <p>Moon</p> 12 <p>You</p> 13 <p id="moon">Hello World</p> 14 <script> 15 d3.select("body").select("p").style("color","red"); 16 d3.select("#moon").style("color","red"); 17 //末尾插入 18 d3.select("body").append("p").text("Star"); 19 //選擇之前插入 20 d3.select("body").insert("p","#moon").text("Star"); 21 d3.select("#moon").remove(); 22 </script> 23 </body> 24 25 </html>