jQuery使用下面两个方法来删除或是清空某个HTML元素。
remove() – 删除指定的元素(包括其子元素)
empty() – 清空指定元素的子元素
例如:
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<!DOCTYPE html> <html> <head> <meta charset= "utf-8" > <title>JQuery Demo</title> <script src= "scripts/jquery-1.9.1.js" ></script> <script> $(document).ready( function () { $( "button" ).click( function () { $( "#div1" ).remove(); }); }); </script> </head> <body> <div id= "div1" style= "height: 100px; width: 300px; border: 1px solid black; 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>Remove div element</button> </body> </html> empty: <!DOCTYPE html> <html> <head> <meta charset= "utf-8" > <title>JQuery Demo</title> <script src= "scripts/jquery-1.9.1.js" ></script> <script> $(document).ready( function () { $( "button" ).click( function () { $( "#div1" ).empty(); }); }); </script> </head> <body> <div id= "div1" style= "height: 100px; width: 300px; border: 1px solid black; background-color: yellow;" > This is some text in the div. <p>This is a paragraph in the div.</p> <p>This is another paragraph in the div.</p> </div> <br> <button>Empty the div element</button> </body> </html> |
jQuery的remove()方法也支持一个参数,可以用于过滤一些需要删除的HTML元素。这个参数可以为任何有效的jQuery selector.
比如下面代码只删除class=”italic”的<p>元素:
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$( "p" ).remove( ".italic" ); |