通过 jQuery,可以很容易地删除已有的 HTML 元素。
如需删除元素和内容,一般可使用以下两个 jQuery 方法:
remove() - 删除被选元素(及其子元素)
empty() - 从被选元素中删除子元素
jQuery remove() 方法
jQuery remove() 方法删除被选元素及其子元素。
<!DOCTYPE html> <html> <head> <script src="../jquery/jquery-1.11.1.min.js"></script> <script> $(document).ready(function(){ $("button").click(function(){ $("#div1").remove(); }); }); </script> </head> <body> <div id="div1" style="height:100px;width:300px;background-color:yellow;"> This is some text in the div. <p>This is a paragraph in the div.</p> <p>This is another paragraph in the div.</p> </div> <br /> <button>删除 div 元素</button> </body> </html>
<!DOCTYPE html> <html> <head> <script src="../jquery/jquery-1.11.1.min.js"></script> <script> $(document).ready(function(){ $("button").click(function(){ $("#div1").empty(); }); }); </script> </head> <body> <div id="div1" style="height:100px;width:300px;background-color:yellow;"> This is some text in the div. <p>This is a paragraph in the div.</p> <p>This is another paragraph in the div.</p> </div> <br /> <button>清空 div 元素</button> </body> </html>
<!DOCTYPE html> <html> <head> <script src="../jquery/jquery-1.11.1.min.js"></script> <script> $(document).ready(function(){ $("button").click(function(){ $("p").remove(".italic"); }); }); </script> </head> <body> <p>This is a paragraph in the div.</p> <p class="italic"><i>This is another paragraph in the div.</i></p> <p class="italic"><i>This is another paragraph in the div.</i></p> <button>删除 class="italic" 的所有 p 元素</button> </body> </html>
评论