js产品对比功能

function deepEqual(obj1, obj2) {
    if (obj1 === obj2) return true;

    if (typeof obj1 != 'object' || obj1 === null || typeof obj2 != 'object' || obj2 === null) {
        return false;
    }

    let keys1 = Object.keys(obj1);
    let keys2 = Object.keys(obj2);

    if (keys1.length != keys2.length) return false;

    for (let key of keys1) {
        if (!keys2.includes(key) || !deepEqual(obj1[key], obj2[key])) {
            return false;
        }
    }

    return true;
}

function deepEqualExtended(obj1, obj2) {
    if (obj1 instanceof Date && obj2 instanceof Date) {
        return obj1.getTime() === obj2.getTime();
    }

    if (obj1 instanceof RegExp && obj2 instanceof RegExp) {
        return obj1.toString() === obj2.toString();
    }

    // ... 其他深对比逻辑
}