{"id":662,"date":"2021-12-28T17:10:27","date_gmt":"2021-12-28T13:10:27","guid":{"rendered":"https:\/\/yellowweb.top\/?p=662"},"modified":"2021-12-29T15:22:01","modified_gmt":"2021-12-29T11:22:01","slug":"proveryaem-telefonnye-nomera-so-vsego-mira-ispolzuya-reshenie-ot-google","status":"publish","type":"post","link":"https:\/\/yellowweb.top\/en\/proveryaem-telefonnye-nomera-so-vsego-mira-ispolzuya-reshenie-ot-google\/","title":{"rendered":"Check Phone Numbers Worldwide with Google\u2019s Solution"},"content":{"rendered":"

Hey everyone, Yellow's on the phone! <\/p>\n\n\n\n

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Let's fight against invalid numbers and start by looking at how we usually solve this problem.<\/p>\n\n\n\n

Removing Blank Numbers<\/h2>\n\n\n\n

The first thing to do, if this is not done for you PP - is to remove the ability to send a form with an empty number. To do this, simply add an attribute to the number entry field required<\/code>.<\/p>\n\n\n\n

<input type="text" name="phone" required<\/strong>\/><\/code><\/p>\n\n\n\n

Now when you try to click the send button, the user will be shown a message telling him to fill in the phone field:<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

It is also a good idea to change the field type to tel <\/code>and add autofill. About that You can read it on my Telegram Channel<\/a>.<\/p>\n\n\n\n

Input masks<\/h2>\n\n\n\n

The standard solution for today. The mask is a template number for the selected GEO and usually includes 2 things: the length of the number and a set of available digits. It looks like this (for RU):<\/p>\n\n\n\n

+7-\\999-999-99-99<\/code><\/p>\n\n\n\n

The nines in this case denote any number<\/em>. Therefore, to make the second digit of the number is a nine before it is a slash. Total number must be 11 digits, of which the first must be a seven, the second a nine, and the rest are any. <\/p>\n\n\n\n

Some kind of JavaScript plug-in is plugged into the page (is usually InputMask<\/a>) and write code like this:<\/p>\n\n\n\n

var selector = document.getElementById(\"phone\");\nvar im = new Inputmask(\"+7-\\999-999-99-99\");\nim.mask(selector);<\/code><\/pre>\n\n\n\n
Advantages of the method<\/strong>: it works, just plug it in<\/p>\n\n\n\n
Disadvantages of the method<\/strong>: You have to figure out what valid phone numbers look like in a particular GEO and write masks for them. If you make a mistake, you lose leads. Sometimes users start writing their number with a country code, even though the code is usually already masked, which leads to incorrect numbers in the application. Sometimes the numbers in the country can be of different lengths, and writing a mask for this becomes a real hassle.<\/p>\n\n\n\n
LibPhoneNumber from Google<\/h2>\n\n\n\n
Google Corp. there is a solution<\/a> for parsing, formatting, and validating phone numbers. We won't use it directly, but consider another JavaScript library International Telephone Input<\/a>. It is easier to use and at the same time under the hood uses the same solution from Google.<\/p>\n\n\n\n
Let's take a quick look at what we end up with:<\/p>\n\n\n\n