JSFiddle - React, Tailwind, and code Playground
by juanmirod
JavaScript
var oldArray = [
{number: '12345', alphabet: 'abcde'},
{number: '54321', alphabet: 'abcde'},
{number: '67891', alphabet: 'abcde'},
{number: '19876', alphabet: 'abcde'},
]
var newNumberArray = oldArray.map(function(item){
return item.number;
});
console.log(newNumberArray);