日期:2014-05-17 浏览次数:20695 次
?
jQuery 包含很多供改变和操作 HTML 的强大函数。
$(selector).html(content)
<html> <head> <script type="text/javascript" src="/jquery/jquery.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("button").click(function(){ $("p").html("W3School"); }); }); </script> </head> <body> <h2>This is a heading</h2> <p>This is a paragraph.</p> <p>This is another paragraph.</p> <button type="button">Click me</button> </body> </html>
$(selector).append(content)
$(selector).prepend(content)?prepend() 函数向所匹配的 HTML 元素内部预置(Prepend)内容。
<html> <head> <script type="text/javascript" src="/jquery/jquery.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("button").click(function(){ $("p").append(" <b>W3School</b>."); }); }); </script> </head> <body> <h2>This is a heading</h2> <p>This is a paragraph.</p> <p>This is another paragraph.</p> <button type="button">Click me</button> </body> </html>
$(selector).after(content)?after() 函数在所有匹配的元素之后插入 HTML 内容。
$(selector).before(content)
<html> <head> <script type="text/javascript" src="/jquery/jquery.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("button").click(function(){ $("p").after(" W3School."); }); }); </script> </head> <body> <h2>This is a heading</h2> <p>This is a paragraph.</p> <p>This is another paragraph.</p> <button type="button">Click me</button> </body> </html>