sqlite - Unable to set values in javascript array -

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i unable set project activities inside clientsdata. here scenario

by time control reaches inside callback function of executesql, values of , j maximum possible values because executesql() asynchronous function. when try execute following line

clientdata[i].projects[j].activities = result.rows;

it gives me error saying "cannot read property 'projects' of undefined"

code snippet

    (var = 0; < clientdata.length; i++) {         (var j = 0; j < clientdata[i].projects.length; j++) {             var getactivities = "select * activity \n\                                 activityid \n\                                 in \n\                     (" + clientdata[i].projects[j].activityids + ")";             tx.executesql(getactivities, [], function (tx, result) {                 clientdata[i].projects[j].activities = result.rows;                 updateclientdata(clientdata);             });         }     }


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