fmpq.com
源代码:
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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Fmpq教程(fmpq.com)</title> <script src="https://apps.bdimg.com/libs/jquery/2.1.4/jquery.min.js"> </script> <script> $(document).ready(function(){ $(".btn1").click(function(){ $("p").animate({lineHeight:"+=1em"}); }); $(".btn2").click(function(){ $("p").animate({lineHeight:"-=1em"}); }); }); </script> </head> <body> <button class="btn1">动画 +</button> <button class="btn2">动画 -</button> <p style="line-height:1em;">This is a paragraph. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text. This is some more text.</p> </body> </html>
运行结果