javascript add field to array
//you can add custom properties to the JS arrays
//length won't change
const arr = [ 1, 2, 3, 4 ];
arr.greeting = 'Hello, world!';
console.log(arr.length); // 4
console.log(arr.greeting); // Hello, world!javascript add field to array
//you can add custom properties to the JS arrays
//length won't change
const arr = [ 1, 2, 3, 4 ];
arr.greeting = 'Hello, world!';
console.log(arr.length); // 4
console.log(arr.greeting); // Hello, world!Copyright © 2021 Codeinu
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