json - Highcharts showing points instead of lines -


*desired output**

actual output

the points don't become line.

question

how modify code achieve desired output?

this code:

function create() {     var series = [];     $.ajax({         type: "post",         url: url,         async: false,          success: function (result) {             var channels = object.keys(result.result.data);             var size = channels.length;             var name = result.result.labels[1];             (var = 0; < size; i++) {                 var data = result.result.data[i][1];                 var time = result.result.data[i][0];                 var test = [];                 test.push({                     x:time,                     y:data                 });                 series.push({                     "name": name,                     "data": test                 });             }         }     }, false);       return series; }

here data returned url

{     "api": 1,     "id": "system.cpu",     "name": "system.cpu",     "view_update_every": 1,     "update_every": 1,     "first_entry": 1464153889,     "last_entry": 1464154575,     "before": 1464154575,     "after": 1464154556,     "dimension_names": ["iowait"],     "dimension_ids": ["iowait"],     "latest_values": [0],     "view_latest_values": [0],     "dimensions": 1,     "points": 20,     "format": "json",     "result": {     "labels": ["time", "iowait"],     "data":     [         [ 1464154556000, 0],         [ 1464154557000, 0],         [ 1464154558000, 0],         [ 1464154559000, 0],         [ 1464154560000, 0],         [ 1464154561000, 0],         [ 1464154562000, 0],         [ 1464154563000, 0],         [ 1464154564000, 0],         [ 1464154565000, 0],         [ 1464154566000, 0],         [ 1464154567000, 0],         [ 1464154568000, 0],         [ 1464154569000, 0],         [ 1464154570000, 0],         [ 1464154571000, 0],         [ 1464154572000, 0],         [ 1464154573000, 0],         [ 1464154574000, 0],         [ 1464154575000, 0]     ] },     "min": 0,     "max": 96.9697 }


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