日期:2014-05-17 浏览次数:20628 次
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jQuery CSS 操作
jQuery 拥有三种供 CSS 操作的重要函数:
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$(selector).css(name,value)?
$(selector).css({properties})?
$(selector).css(name)?
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CSS 操作实例
函数 css(name,value) 为所有匹配元素的给定 CSS 属性设置值:
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实例
<html> <head> <script type="text/javascript" src="/jquery/jquery.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("button").click(function(){ $("p").css("background-color","yellow"); }); }); </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>
<html> <head> <script type="text/javascript" src="/jquery/jquery.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("button").click(function(){ $("p").css({"background-color":"yellow","font-size":"200%"}); }); }); </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>?
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函数 css(name) 返回指定的 CSS 属性的值:
<html> <head> <script type="text/javascript" src="/jquery/jquery.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("div").click(function(){ $("#result").html($(this).css("background-color")); }); }); </script> </head> <body> <div style="width:100px;height:100px; background:#ff0000"></div> <p id="result">Click in the box</p> </body> </html>
<html> <head> <script type="text/javascript" src="/jquery/jquery.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("button").click(function(){ $("#id100").height("200px"); }); }); </script> </head> <body> <div id="id100" style="background:yellow;height:100px;width:100px"> HELLO</div> <div id="id200" style="background:yellow;height:100px;width:100px"> W3SCHOOL</div> <button type="button">Click me</button> </body> </html>
<html> <head> <script type="text/javascript" src="/jquery/jquery.js"></script> <script type="text/javascript"> $(document).ready(function(){ $("button").click(function(){ $("#id200").width("300px"); }); }); </script> </head> <body> <div id="id100" style="background:yellow;height:100px;width:100px">HELLO</div> <div id="id200"