javascript中的浅数组equals

"use strict"
function main(arr1, arr2) {
    if (arr1.length !== arr2.length) {
        return false;
    }
    for (let i = 0; i < arr1.length; i++) {
        if (arr1[i] !== arr2[i]) {
            return false
        }
    }
    return true;
}
const tests = [
  [[1,2],[1,2]],
  [[1],[1,2]],
  [[1,2],[1]],
  [[1,2],[3,4]],
  [[],[]]
]
for (const [arr1, arr2] of tests) {
  let res = main(arr1, arr2);
  console.log(arr1, arr2, res);
}