๐Ÿ”ธclass field

JS โŸฉ class โŸฉ definition โŸฉ class fields

class fields ๆŒ‡ๅฏซๅœจ class definition ไธญ๏ผŒไฝ†ๅœจ constructor() ๅค–้ข็š„ instance propertiesใ€‚ๆ“š่ชช้€™็จฎๆ–ฐ่ชžๆณ•ๆ˜ฏ็‚บไบ†ๆ”น่‰ฏๅŽŸๆœ‰็š„constructor()่ชžๆณ•๏ผŒ่ฎ“็‰ฉไปถๅฑฌๆ€งๆ›ด็ชๅ‡บใ€ๆ›ดๆ˜“ๆ–ผ้›†ไธญ็ฎก็†่€Œ่จญ่จˆ็š„ๅšๆณ•ใ€‚

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