標籤:logs document function ref appendto ready scripts 內容 please
- append()向每個匹配的元素內部追加內容
- prepend()向每個匹配的元素內部前置內容
- appendTo()把所有匹配的元素追加到另一個指定元素的集合中
- prependTo()把所有匹配的元素前置到另一個指定的元素集合中
執行個體1:
<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>jquery</title><link rel="stylesheet" type="text/css" href="styles/jquery.css"><script type="text/javascript" src="scripts/jquery-3.2.0.min.js"></script></head><body><h1>Hello world!</h1><button>please!</button><div>you are beautiful</div><script type="text/javascript">$(document).ready(function() {$("button").on("click",function() {$(".div").prepend("<p>hello boston</p");});});</script></body></html>
執行個體2:
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>jquery</title> <link rel="stylesheet" type="text/css" href="styles/jquery.css"> <script type="text/javascript" src="scripts/jquery-3.2.0.min.js"></script></head><body> <h1>Hello world!</h1> <button>please!</button> <div>you are beautiful</div> <script type="text/javascript"> $(document).ready(function() { $("button").on("click",function() { $("<p>hello boston</p>").prependTo("button"); }); }); </script></body></html>
結果:
JavaScript--DOM