fmpq.com
源代码：
点击运行
<!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> </head> <body> <button>Go</button> <p>准备...</p> <div></div> <div></div> <div></div> <div></div> <script> $(function () { $( "button" ).on( "click", function() { $( "p" ).append( "已开始..." ); $( "div" ).each(function( i ) { $( this ).fadeIn().fadeOut( 100 * ( i + 1 ) ); }); $( "div" ).promise().done(function() { $( "p" ).append( " 完成! " ); }); }); }) </script> </body> </html>
运行结果