（待完善）前端--jQuery Ajax 实例 ($.ajax、$.post、$.get)

https://blog.youkuaiyun.com/meng198672/article/details/84150620
https://blog.youkuaiyun.com/xianhenyuan/article/details/92669817

详细介绍：https://www.cnblogs.com/yeer/archive/2009/07/23/1529460.html

https://www.w3school.com.cn/jquery/ajax_ajax.asp

var obj = jQuery.parseJSON( ‘{“id”:12,“name”: “John” ,“data”:[{“age”:15,“value”:“small”},{“age”:16,“value”:“big”},{“age”:65,“value”:“old”}]}’ );
alert( obj.name === “John” );

原文：https://api.jquery.com/jquery.parsejson/