How to convert an array to an object in es6

This article mainly introduces how to convert an array into an object in es6, which has a certain reference value, and interested friends can refer to it. I hope you will gain a lot after reading this article.

Conversion methods: 1, the use of fromEntries () and map () function, syntax "Object.fromEntries (item = > [item.key, item])" statement; 2, the use of the extension operator "...", syntax "{... arr}".

The operating environment of this tutorial: windows7 system, ECMAScript version 6, Dell G3 computer.

The method of converting array to object in es6

Method 1: using fromEntries () and map () functions

Const arr = [{key: "id", name: "number"}, {key: "name", name: "name"},]; const obj = Object.fromEntries (item = > [item.key, item]); console.log (obj)

Output

Method 2: use the extension operator "."

Const arr = [{key: "id", name: "number"}, {key: "name", name: "name"},]; const obj = {... arr}; console.log (obj)

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