troubleshooting Question

ERROR TypeError: Cannot read property 'find' of undefined

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ybt asked on
Angular* typescript programming
1 Comment1 Solution8 ViewsLast Modified:
Need to check if email exist in database.
Wrote method:
public Emailcheck(email: string )
        .find(email).subscribe(contact =>  {if (contact.Email) {


_contactsService => Service page
contact => Model
email => parameter with email address to test
And got error
and got error "Cannot read property 'find' of undefined"
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