JavaScript鐨凙rray splice()鏂规硶鐢ㄤ簬鍚戞暟缁勪腑鎻掑叆銆佸垹闄ゆ垨鏇挎崲鍏冪礌銆?/p>

splice()鏂规硶鎺ュ彈涓変釜鍙傛暟锛氳捣濮嬩綅缃€佽鍒犻櫎鎴栨彃鍏ョ殑鍏冪礌鏁伴噺鍜岃鎻掑叆鐨勫厓绱犮€傝捣濮嬩綅缃槸瑕佹搷浣滅殑鏁扮粍鍏冪礌鐨勭储寮曞€笺€?/p>

濡傛灉鍙彁渚涜捣濮嬩綅缃弬鏁帮紝splice()鏂规硶灏嗕粠璇ヤ綅缃紑濮嬪垹闄ゆ暟缁勪腑鐨勬墍鏈夊厓绱狅紝骞惰繑鍥炰竴涓柊鏁扮粍锛屽寘鍚垹闄ょ殑鍏冪礌銆?/p>

濡傛灉杩樻彁渚涗簡瑕佸垹闄ょ殑鍏冪礌鏁伴噺鍙傛暟锛宻plice()鏂规硶灏嗕粠璧峰浣嶇疆寮€濮嬪垹闄ゆ寚瀹氭暟閲忕殑鍏冪礌锛屽苟杩斿洖涓€涓柊鏁扮粍锛屽寘鍚垹闄ょ殑鍏冪礌銆?/p>

濡傛灉杩樻彁渚涗簡瑕佹彃鍏ョ殑鍏冪礌鍙傛暟锛宻plice()鏂规硶灏嗕粠璧峰浣嶇疆寮€濮嬪垹闄ゆ寚瀹氭暟閲忕殑鍏冪礌锛屽苟鎻掑叆鎻愪緵鐨勫厓绱犮€傛渶鍚庯紝瀹冨皢杩斿洖涓€涓柊鏁扮粍锛屽寘鍚垹闄ょ殑鍏冪礌銆?/p>

浠ヤ笅鏄竴浜涗娇鐢╯plice()鏂规硶鐨勭ず渚嬶細

1. 鍒犻櫎鏁扮粍涓殑鍏冪礌锛?/li>

let arr = [1, 2, 3, 4, 5];
arr.splice(2, 1); // 浠庣储寮?寮€濮嬪垹闄?涓厓绱?/span>
console.log(arr); // [1, 2, 4, 5]

2. 鎻掑叆鍏冪礌鍒版暟缁勪腑锛?/li>

let arr = [1, 2, 3, 4, 5];
arr.splice(2, 0, 100); // 浠庣储寮?寮€濮嬪垹闄?涓厓绱狅紝骞舵彃鍏?00
console.log(arr); // [1, 2, 100, 3, 4, 5]

3. 鏇挎崲鏁扮粍涓殑鍏冪礌锛?/li>

let arr = [1, 2, 3, 4, 5];
arr.splice(2, 1, 100); // 浠庣储寮?寮€濮嬪垹闄?涓厓绱狅紝骞舵彃鍏?00
console.log(arr); // [1, 2, 100, 4, 5]

闇€瑕佹敞鎰忕殑鏄紝splice()鏂规硶浼氫慨鏀瑰師濮嬫暟缁勶紝骞惰繑鍥炰竴涓寘鍚垹闄ょ殑鍏冪礌鐨勬柊鏁扮粍銆傚鏋滃彧鏄兂鍒犻櫎鎴栨彃鍏ュ厓绱犺€屼笉鍏冲績杩斿洖鐨勬暟缁勶紝鍙互蹇界暐瀵箂plice()鏂规硶鐨勮繑鍥炲€笺€?/p>