Last updated 2 years ago
Was this helpful?
ๅ่จญ๏ผ defaults ๆฏๆ้ ่จญๅผ็็ฉไปถ๏ผobj ๆฏ่ฆ้ๅ ้ไบ้ ่จญๅผ็็ฉไปถใ
้ฏ่ชคๅๆณ๏ผไปฅไธ็ๅๆณ๏ผobj ๅไพ็ๅฑฌๆงๅ่ๆ่ขซ้ ่จญๅผ่ฆ่ๆโ๏ธ
Object.assign(obj, defaults) // โ
ๆญฃ็ขบๅๆณ๏ผ
// โญโฎ <-- start with a new object obj = Object.assign({}, defaults, obj) // โ // โฐโโฏ <-- override defaults with obj
ไนๅฏไปฅ็จ ไพๅฏซ๏ผ
obj = {...defaults, ...obj}
(2020) JavaScript: The Definitive Guide (6.7 Extending Objects)