JavaScript Answers

How to convert Map to JSON object in JavaScript?

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To convert Map to JSON object in JavaScript, we use the Object.fromEntries method.

For instance, we write

const map1 = new Map([
  ["foo", "bar"],
  ["baz", 42],

const obj = Object.fromEntries(map1);

to create a map with the Map constructor.

Then we call Object.fromEntries with map1 to convert it to an array of key-value pair arrays.

By John Au-Yeung

Web developer specializing in React, Vue, and front end development.

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