JavaScript’s arrays can hold heterogeneous ... but instead runs the function operator and returns the result as a new array: const bands = [ { name: "Led Zeppelin", year: 1968 ...

//we can change any one index value of array or object at a time if you change the whole const array or object it will show an error in console ...

thus allowing you to share constants between Perl and JavaScript. This is an array reference of symbols or export tags in the "module"'s namespace to export. If it is omitted (not recommened), then it ...