JSFiddle - React, Tailwind, and code Playground

by robertfalken

JavaScript

var finalgradeinfo = { // declare finalgradeinfo in the global scope
    coursecode: [],
    grade: [] }
  , entry = '';

do {
    entry = prompt('Enter a course code and grade seperated by a comma') || ''; // will set entry to '' if user hits cancel
    if (entry == '') continue; // break out of iteration if string is empty
    var entryvalid = entry.split(",");
    finalgradeinfo.coursecode.push(entryvalid[0]);
    finalgradeinfo.grade.push(entryvalid[1]);
} while(entry !== '');

console.log(finalgradeinfo);