jquery - JavaScript join array into new array -

how join array , create new array?

var page_list = [ 'dkey', 'dvalue' ]; var json = '{"key1":"value1","key2":"value2","key3":"value3"}'; var jp = json.parse(json);  for( var index in jp ) {    var obj = jp[index];     //page_list.concat( ['test1','value2'] ); }  //expecting output [ [ 'dkey', 'dvalue' ], [ 'key1', 'value1'], ['key2','value2'], ['key3','value3'] ] 

https://jsfiddle.net/zerolfc/zjgx2pcj/1/

can give me solution, on how achieve expecting output?

var page_list = [ 'dkey', 'dvalue' ];  var arr = []; //create new array  arr.push(page_list); //push page_list    var json = '{"key1":"value1","key2":"value2","key3":"value3"}';  var jp = json.parse(json);  for( var key in jp ) {     arr.push([key, jp[key]]); //push key, value   }    document.write(json.stringify(arr))  //outputs  //[["dkey","dvalue"],["key1","value1"],["key2","value2"],["key3","value3"]]