How to convert object to URI?

Question

JavaScript

What to get:

https://somesite.com/crm.contact.add.json?fields%5BNAME%5D=LOREM&fields%5BSECOND_NAME%5D=IPSUM&fields%5BLAST_NAME%5D=DOLOR

What is:

const OBJECT = {
  fields: {
    NAME: 'LOREM',
    SECOND_NAME: 'IPSUM',
    LAST_NAME: 'DOLOR',
  }
};

There is a similar analog in PHP:
http_build_query();

Answer 1

https://developer.mozilla.org/ru/docs/Web/API/URLS...
https://developer.mozilla.org/ru/docs/Web/API/URL/URL

const OBJECT = {
  fields: {
    NAME: 'LOREM',
    SECOND_NAME: 'IPSUM',
    LAST_NAME: 'DOLOR',
  }
};
const url = new URL('https://somesite.com/crm.contact.add.json');
for (const [name, value] of Object.entries(OBJECT.fields)) {
    url.searchParams.append(`fields[${name}]`, value);
}
console.log(url.href);