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代码编辑器：
<!DOCTYPE html> <meta charset="utf-8"> <link href="/static/next/css/tryit.css?v=2017082407" rel="stylesheet"/> <script src="https://cdn.staticfile.org/jquery/2.2.4/jquery.min.js"></script> <button>过滤解决值</button> <p></p> <script> $(function () { var filterResolve = function() { var defer = $.Deferred(), filtered = defer.then(function( value ) { return value * 2; }); defer.resolve( 5 ); filtered.done(function( value ) { $( "p" ).html( "值是 ( 2*5 = ) 10: " + value ); }); }; $( "button" ).on( "click", filterResolve ); }) </script> <footer>简单教程，简单编程<br/>Copyright © 简单教程 www.twle.cn</footer>
运行结果：