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<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>runoops自学教程(runoops.com)</title> <script src="https://cdn.staticfile.org/jquery/1.10.2/jquery.min.js"> </script> <script> $(document).ready(function(){ function aniDiv(){ $("div:eq(0)").animate({width:"50%"},"slow"); $("div:eq(0)").animate({width:"100%"},"slow",aniDiv); } aniDiv(); $(".btn1").click(function(){ $(":animated").css("background-color","red"); }); }); </script> </head> <body> <button class="btn1">修改动画元素颜色</button> <div style="background:blue;">Div 1</div> <div style="background:green;">Div 2</div> <div style="background:yellow;">Div 3</div> </body> </html>
运行结果：