Introduction to JavaScript arrays. In JavaScript, an array is an ordered list of values. Each value is called an element specified by an index. ... <看更多>

Returns the element at the specified position in this list. isEmpty. Returns true if this collection contains no elements. iterator. ... <看更多>

To the tutorial! : https://yagisanatode.com/2021/07/03/get-a-unique-list-of-objects-in-an-array-of-object-in ... ... <看更多>

Output: hello world 123 !!! This post shows the similarity (and difference) of the JavaScript and Python syntax. (in case you start using JavaScript but from a ... ... <看更多>

As already noticed by previous comments, don't mind about global variables if they're declared by var inside of a function. ... <看更多>