javascript - grails remotefunction: can't access params -

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i've got remotefunction call in javascript function in gsp file:

function fncreateentitiesperforcechart() {       var interval = $("#entitiesperforcetimeintervalselect").val();       interval = escape(interval);       var url = '${createlink(controller: 'federation', action: 'createentitiesperforcechart')}?interval='+interval;       $("#entitiesperforcechart").attr("src", url); alert("interval is: " + interval);       ${remotefunction(controller: 'federation',          action: 'getentitiesperforcetable',          params: '\'interval\''+':'+interval,          onsuccess: 'fnupdateentitiesperforcetable(data,textstatus)')};      }

when check page source, remotefunction creates code:

try{dojograilsspinner.show();}catch(e){} dojo.xhr('get',{content:{'interval':null}, preventcache:true, url:'/federationreporter/federation/getentitiesperforcetable', load:function(response){  fnupdateentitiesperforcetable(data,textstatus); }, handle:function(response,ioargs){try{dojograilsspinner.hide();}catch(e){} }, error:function(error,ioargs){try{dojograilsspinner.hide();}catch(e){}  } });;

why variable being replaced 'null'?

thanks!

try params in remotefunction call

params: '\'interval\': + interval'


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