JavaScript涓殑push()鏂规硶鐢ㄤ簬鍚戞暟缁勭殑鏈熬娣诲姞涓€涓垨澶氫釜鍏冪礌锛屽苟杩斿洖鏂扮殑鏁扮粍闀垮害銆備笅闈㈡槸浣跨敤push()鏂规硶鐨勭ず渚嬶細

let fruits = ['apple', 'banana'];
let newLength = fruits.push('orange', 'grape');
console.log(fruits);  // 杈撳嚭: ['apple', 'banana', 'orange', 'grape']
console.log(newLength);  // 杈撳嚭: 4

鍦ㄤ笂闈㈢殑绀轰緥涓紝鎴戜滑棣栧厛鍒涘缓浜嗕竴涓悕涓篺ruits鐨勬暟缁勶紝鍏朵腑鍖呭惈涓や釜鍏冪礌锛氣€榓pple鈥欏拰鈥檅anana鈥欍€傜劧鍚庯紝浣跨敤push()鏂规硶灏嗏€檕range鈥欏拰鈥檊rape鈥欐坊鍔犲埌鏁扮粍鐨勬湯灏俱€傛渶鍚庯紝浣跨敤console.log()鍑芥暟鍒嗗埆杈撳嚭浜嗕慨鏀瑰悗鐨勬暟缁勫拰鏂扮殑鏁扮粍闀垮害銆?/p>