javascript - Clear LocalStorage from server-side -

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hello need clear() localstorage server-side.

the right moment after inserting info in db (info took localstorage) , need redirect , clear localstorage..

i tried node-localstorage can't controller...

edit:

im working on node.js javascript server side..

part of code:

var mpa = require('../models/mpedidosabastecimiento'); var mysql = require('mysql'); var async = require('async'); var localstorage = require('node-localstorage').localstorage, localstorage = new localstorage('./scratch');   function postalta(req, res){     params = req.body;     var objdatos = params.objdatos;     var objdatosparsed = "";     tipo_de_objdatos = typeof objdatos;      if (tipo_de_objdatos == "string"){               objdatosparsed = json.parse(objdatos);               }else if (tipo_de_objdatos == "object"){         stringiii = json.stringify(objdatos);         objdatosparsed = json.parse(stringiii);      } else {         console.log("no es ni string ni object, es: "+tipo_de_objdatos);     }      var aart = objdatosparsed.aarticulos;     var fecha_generacion = params.fecha_generacion;     var id_sector = params.sector;      var connection = mysql.createconnection({         user: 'xxx',         password: 'xxx',         host: 'xxx.xxx.xxx.xxx',         port: 'xxx',         database: 'xxx',         datestrings : xxx     });      connection.connect();      mpa.getlastnropa(function (ultimo_nro_pa){          ultimo_nro_pa = ultimo_nro_pa[0].nro_pa;         var nro_pa = 1;          if (ultimo_nro_pa != 0)             nro_pa = ultimo_nro_pa+1;          fecha_generacion = changedate(fecha_generacion);          async.eachseries(aart, function (articulo, callback) {             var id_articulo = articulo.id_articulo_fk;             var id_responsable = articulo.id_responsable_fk;             var id_centro_costo = articulo.id_centrocosto_fk;             var fecha_necesidad = articulo.fecha_necesidad;             var urgente = articulo.urgente;             var cantidad = articulo.cantidad;              fecha_necesidad = changedate(fecha_necesidad);                        var query= "insert pedidos_abastecimiento(nro_pa, fecha_gen, id_centrocosto_fk, id_responsable_fk, fecha_necesidad, "                 +"id_articulo_fk, cantidad, urgente, id_sector_fk) "+                 "values("+nro_pa+", '"+fecha_generacion+"', "+id_centro_costo+", "+id_responsable+", '"+fecha_necesidad+"', "                     +id_articulo+", "+cantidad+", "+urgente+", "+id_sector+")"              connection.query(query, function (err, rows, fields) {                 if (err){                     throw err;                     console.log(err)                 }else{                     console.log("no errors in query.");                     console.log(query);                     callback();                 }             });          }, function (err) {             //here nee clear localstorage 'paalta' can render without data listed             localstorage.clear();                        connection.end();             res.redirect('paalta');         });          });      }

just clean value

localstorage.setitem("yourkey","");

or

localstorage.setitem("yourkey",null);

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