JSFiddle - React, Tailwind, and code Playground

JavaScript

var array1 = [1,2,3,4,5];
array1.name ="array1";
var array2 = [6,7,8,9,10];
array2.name ="array2";
var array10 = [51,52,53,54]
array10.name ="array10";

var parArray = [array1,array2,array10]

function _getArrayName(number){
  for(var o=0;o<parArray.length;o++){
    var _tem = parArray[o];
    if(parArray[o].indexOf(number) !==-1){
      console.log(parArray[o].name);
    }
  }

}
_getArrayName(6)