JSFiddle - React, Tailwind, and code Playground
JavaScript
var objName = {};
var array1 = ['apple','sugar'];
var array2 = ['spoon','fork'];
var array3 = ['spoon2','fork2'];
var array4 = ['spoon3','fork3'];
objName['main'] = array1;
objName['submain'] = array2;
objName['main'] = array3;
objName['submain'] = array4;
console.log(objName);