Shulou(Shulou.com)06/02 Report--

This article focuses on "how javascript converts set into arrays". Interested friends may wish to have a look at it. The method introduced in this paper is simple, fast and practical. Let's let the editor take you to learn "how javascript turns set into an array".

Javascript will set into an array method: 1, the use of the extension operator "...", syntax "array = [... setObject];"; 2, the use of "Array.from ()" method, syntax "Array.from (setObject)".

The operating environment of this tutorial: windows7 system, javascript1.8.5 version, Dell G3 computer.

Javascript's method of converting set (collection) to an array:

Method 1: use the extension operator "."

Syntax: var variablename = [... value]

Example:

Const set = new Set (['hello',' world','!']); console.log (set); const array = [... set]; console.log (array)

Method 2: use the Array.from () method

The Array.from () method returns a new array from an object or an iterable object, such as Map,Set, and so on.

Syntax: Array.from (arrayLike object)

Example:

Const set = new Set (['welcome',' youthful Magna Magazine']); console.log (set); console.log (Array.from (set))

At this point, I believe you have a deeper understanding of "how javascript converts set into arrays". You might as well do it in practice. Here is the website, more related content can enter the relevant channels to inquire, follow us, continue to learn!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.