how to combine multiple arrays in react and how can we show the map in ascending order

Question

how to merge array of this in react or javascript..can anyone help me with this i want the output something like..all the test array should be in one array...coz i need to find the minimum price and plus i need to show the mapping in ascending order

array :[
    {
    id:0,
    name:'something',
    test: [
          {
           id: 0,
           test_name:'blood',
           price:'200',
           },
            {
            id:1,
           test_name:'kidney',
           price:'300',
           }
         ]
       },
   {      
    id:1,
    name:'something1',
    test: [
          {
           id: 0,
           test_name:'blood2',
           price:'100',
           },
            {
            id:1,
           test_name:'kidney2',
           price:'100',
           }
         ]
       }

     ]

Answer 1

You can use spread operator to merge two array.

var a = [{fname : 'foo'}]
var b = [{lname : 'bar'}]
var c = [...a, ...b] // output is [{fname : 'foo'},{lname : 'bar'}]