cyjsky 2018-08-17
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> <script src="https://code.jquery.com/jquery-1.11.2.js"></script> </head> <body> <input id="container"></input> <script type="text/javascript"> $("#container").on("click",function(){ var con = $("#container"); var s = "4301819"; var len = s.length; var index = 0; var tid = null; con.val(''); tid = setInterval(function(){ //con.append(s.charAt(index)); // 更新text属性可以用append,比如更新div中的内容 con.val(con.val() + s.charAt(index)); if(index ++ === len){ clearInterval(tid); index = 0; } },100); }); </script> </body> </html>