jquery-3.3.1.slim.min.js:2 jQuery.Deferred exception: $.post is not a function TypeError: $.post is

原因是用了jquery-3.2.1.slim.min.js，换成jquery-3.2.1.min.js就好了 关于两者的区别 看官方描述： Sometimes you don’t need ajax, or you prefer to use one of the many standalone libraries that focus on ajax requests. And often it

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