jquery - Use a function to set a variable with Javascript? -


i trying use javascript , jquery build html table based on information returned database. have json , database hit working properly, unable show data on page.

this code display data

var temp;  var init = function() {     $(_getmarketinfo()).appendto(document.body);      // used logging     temp = $(_getmarketinfo());     console.log(temp); };

and , process data

function _getmarketinfo() {     $.ajax({         url:'scripts/db_getmarketinfo.cgi',         datatype:'json',         success:function(data, teststatus) {             var html = '';             html +='<div class="marketinfoholder">';             html +='<table class="tbl" border=1>';             html +='    <tr><th>market information</th></tr>';             html +='    <tr><td>market</td></tr>';              (var i=0;i< data.marketinfo.length; i++){                 html += '<tr><td>' + data.marketinfo[i].market_name + '</td></tr>';             }              html +='</table>';             html +='</div>';              //used logging             console.log(html);              return html;         },         error:function(data, textstatus) {             alert('there error getting market information.');         }     });  };

according console logs, html variable have proper html code table, when @ temp variable, logged []. appears that, reason, _getmarketinfo() isn't returning html temp.

i use custom event triggered on success of ajax call.

var init;  // bind custom event document // triggered in ajax success callback $(document).bind('init', function (html) {     init = html;      // used logging     console.log(init);     });  // run _getmarketinfo in document ready handler // because accessing dom $(document).ready(function () {     $(_getmarketinfo()).appendto(document.body);     });  // ajax call function function _getmarketinfo() {     $.ajax({         url:'scripts/db_getmarketinfo.cgi',         datatype:'json',         success:function(data, teststatus) {             var html = '';             html +='<div class="marketinfoholder">';             html +='<table class="tbl" border=1>';             html +='    <tr><th>market information</th></tr>';             html +='    <tr><td>market</td></tr>';              (var i=0;i< data.marketinfo.length; i++){                 html += '<tr><td>' + data.marketinfo[i].market_name + '</td></tr>';             }              html +='</table>';             html +='</div>';              // trigger custom event             // html used custom parameter;             // custom event parameters must passed             // in array             $(document).trigger('init', [html]);              // return html appending             return html;         },         error:function(data, textstatus) {             alert('there error getting market information.');         }     });  };

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