JSFiddle - React, Tailwind, and code Playground

by Eric L

JavaScript

var list = [{ S:1, h:2, e:3, e_1:4, t:5, J:6, S_1:7 },{ S:2, h:3, e:4, e_1:5, t:6, J:7, S_1:8 }]
var header = {header:['1','2','3','4','5','6','7']}

list.push(header);
console.log(list)

list = list + "," + header;
console.log(list)