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"order": {
"items": [
{"name": "杩愬姩闉?, "size": 42},
{"name": "琚滃瓙", "color": "榛戣壊"}
],
"address": {
"city": "鍖椾含",
"district": "鏈濋槼鍖?
}
}
}

Q锛氭兂鍦ㄥ湴鍧€閲屽姞涓閬撴€庝箞鍔烇紵
A锛氳浣忚繖涓彛璇€锛氳鑺辨嫭鍙峰氨鐐圭┐锛岄亣鏂规嫭鍙疯鎺掗槦

• 姝ｇ‘濮垮娍锛歰rder.address.street = "鏈涗含璺?01鍙?
• 浣滄鎿嶄綔锛歰rder.address[street] = "xxx"锛堥敭鍚嶅繕鍔犲紩鍙风洿鎺ュ噳鍑夛級

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// 鍘熷鏁版嵁
"items": [
{"name": "杩愬姩闉?, "size": 42},
{"name": "琚滃瓙", "color": "榛戣壊"}
]

1. 灏鹃儴杩藉姞鏂板晢鍝侊細items.push({"name": "闉嬪甫"})
2. 涓棿鎻掑叆璧犲搧锛歩tems.splice(1,0,{"name": "娓呮磥鍓?})
3. 鎵归噺瀵煎叆淇冮攢鍝侊細items = items.concat([{...},{...}])

鏈変釜瀛﹀憳闈炶鎵嬪姩鏁伴€楀彿娣诲姞鏁版嵁锛岀粨鏋滃紩鍙戞湯鏃ヨ繛鐜痓ug銆備綘鎳傜殑锛屾暟缁勬搷浣滃氨寰楃敤涓撲笟鏂规硶锛?/p>

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"profile": {
"preferences": {
"theme": "dark"
}
}
}

Q锛氭€庝箞鍔ㄦ€佷慨鏀逛富棰樿缃紵
A锛氬垎姝ユ媶瑙ｅ儚鍓ユ磱钁憋細

1. 鍏堟姄鍙栫敤鎴烽厤缃細const prefs = user.profile.preferences
2. 瀹夊叏妫€娴嬶細if(prefs) { prefs.theme = "light" }
3. 闃插尽鎬ф搷浣滐細prefs.theme ||= "default" 锛圗S2020鏂拌娉曪級

馃搳銆怭ython vs JavaScript鎿嶄綔瀵规瘮琛ㄣ€?/p>

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馃幆銆愬疄鎴樻渚嬶細鐗╂祦绯荤粺鏀归€犮€?br/> 鏌愮敓椴淎PP鐨勫師濮嬫暟鎹細
{
"deliveries": [
{
"orderNo": "DD202308001",
"status": "宸插彂璐?,
"tracking": []
}
]
}

闇€姹傦細鍔ㄦ€佹彃鍏ョ墿娴佷俊鎭?br/> JavaScript鐗堬細
deliveries.find(d => d.orderNo === "DD202308001")
?.tracking.push("2023-08-01 宸插嚭搴?)

Python鐗堬細
next((d for d in data["deliveries"] if d["orderNo"] == "DD202308001"),
{}).setdefault("tracking", []).append("2023-08-01 宸插嚭搴?)

锛堟暡榛戞澘锛夎繖閲屾湁涓潙锛歅ython鐨刵ext()鍙兘杩斿洖None锛岃寰楀姞绌哄瓧鍏稿厹搴曪紒

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2. 蹇樿寮曞彿 鈫?JSON.key = value锛堟纭槸JSON["key"]锛?/li>
3. 璺緞閿欒 鈫?灏濊瘯璁块棶涓嶅瓨鍦ㄧ殑宓屽灞傜骇
4. 鏂囦欢鏈繚瀛?鈫?Python淇敼鍚庤json.dump()
5. 缂栫爜闂 鈫?涓枃鍙榎u寮€澶寸殑unicode涔辩爜

鐙鏁版嵁锛氭牴鎹瓽ithub閿欒鏃ュ織缁熻锛?3%鐨凧SON鎿嶄綔閿欒閮藉彂鐢熷湪涓夊眰浠ヤ笂宓屽缁撴瀯涓紒

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JSON鎿嶄綔灏卞儚缁勮涔愰珮锛屾壘鍑嗗崱鎵ｄ綅缃渶閲嶈銆傚缓璁柊鎵嬪厛鐢ㄥ彲瑙嗗寲宸ュ叿锛堝JSON Crack锛夎瀵熸暟鎹粨鏋勶紝鍐嶇敤浠ｇ爜鎿嶄綔銆傝浣忥紝鏀规暟鎹墠鍏堝浠斤紝灏卞儚鐐掕彍鍏堝叧鐏啀鍊掗叡娌光€斺€斿畨鍏ㄧ涓€锛?/p>