Collect the domains in a new array

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Reference no: EM133241284

Question: Function must be extractDomains(emails) to extract all the unique domains in a list of email addresses. An email address is made-up of two parts, separated by an @ symbol: u..e@domain. Function takes one argument: an Array of email addresses (Strings). First, loop over the email addresses and obtain the domain. Next, collect the domains in a new Array, but only add each domain once (no duplicates). Finally, return the Array of unique domains sorted alphabetically.

For example, [email protected]', '[email protected]', '[email protected]']) should return ['alpha..com', 'email..com'].

Reference no: EM133241284

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