JS: Test Array Equality

Test array equality by content

There's no builtin way to test array content equality in JavaScript.

• JS: Test Equality of Array and Object by Content 📜

Array identity test (by reference)

use Triple Equal Operator.

• JS: Triple Equal Operator

// 2 arrays having same reference. triple equal return true
const xaa = [3, 4];
const xbb = xaa;
console.assert(xaa === xbb);

// 2 arrays having same content. triple equal return false
console.assert(([3, 4] === [3, 4]) === false);

Test array equality by comparison as json string

• JS: Problems of testing array equality as json string