Function getDomain

Get the domain of URL, and other params.

Usage:

const ret1 = getDomain('http://example.com/?t1=1&t2=2&t3=3&t4=4');
const ret2 = getDomain('http://example.com/test/thanks?t1=1&t2=2&t3=3&t4=4', ['hostname', 'pathname']);
const ret3 = getDomain('http://example.com:7890/test/thanks', ['hostname']);
const ret4 = getDomain('http://example.com:7890/test/thanks', ['host']); // With Port
const ret5 = getDomain('http://example.com:7890/test/thanks', ['origin']);
const ret6 = getDomain('http://example.com:7890/test/thanks?id=1', ['origin', 'pathname', 'search']);
console.log(ret1);
console.log(ret2);
console.log(ret3);
console.log(ret4);
console.log(ret5);
console.log(ret6);
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Output:

example.com
example.com/test/thanks
example.com
example.com:7890
http://example.com:7890
http://example.com:7890/test/thanks?id=1
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