$(function () {
$("#btnShow").bind("click", function () {
var $this = $(this);
$.getJSON(
"http://www.imooc.com/data/sport.json",function(data){
$this.attr("disabled", "true");
$.each(data, function (index, sport) {
$("ul").append("<li>" + sport["name"] + "</li>");
});
});
})
});
