JSFiddle - React, Tailwind, and code Playground

by Eugen Sunic

JavaScript

let array1 = ['2020-03-17,2020-03-19,2020-03-18,2020-03-12'];
array1 = array1.join().split(',');
const array2 = ['11:00', '13:00', '15:00', '17:00', '19:00', '21:00', '23:00'];

const merge = []
let index2 = 0;
for (let i = 0; i < array1.length; i++) {
  if (array2[index2 + 1]) {
    merge.push(array1[i] + ',' + array2[index2] + ',' + array2[index2 + 1])
  }
  index2 += 2;
}
console.log(merge)