let arr = new Array(arrayLength) /** * 原陣列不會被改變(non-mutating) 而是回傳新陣列 **/ arr.at(-1) // 取出陣列的最後一個元素，可以用來 ... ... <看更多>

JavaScript has lots of array methods for doing things like sorting and reversing arrays, but the biggest problem with all these methods is ... ... <看更多>

Creating JavaScript arrays. JavaScript provides you with two ways to create an array. The first one is to use the Array constructor as follows: ... <看更多>

Creating a deep copy with structuredClone. The modern way to deep copy an array in JavaScript is to use structuredClone: ... <看更多>

Provides additional methods on Array.prototype and TypedArray.prototype to enable changes on the array by returning a new copy of it with the change. ... <看更多>