Jquery ajax callback function value alert [object Object] Solution

Source: Internet
Author: User

$ ("# Activity_project "). change (function () {var pro = $ ("# activity_project "). val (); $. ajax ({type: "POST", url: "$ {pageContext. request. contextPath}/getMyPlan ", data: {// idKey: pro}, dataType: 'json', success: function (data) {alert (data ); $. each (data, function (index, value) {alert (data [index]. id); $ ("# activity_project "). append ('<option value = "data [index]. id "> data [index]. specification </option> ');});}})})

We recommend that you use console. log (data) instead.

 

Google browser results

Another method is to modify the background code.

The result of alert is the object xml document, which makes me very puzzled. The output is a string. Why is the xml format transmitted?

Response. setContentType ("text/html; charset = UTF-8"); alert is the string you want.

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