How to validate phone number in javascript
Phone Number validationThe validating phone number is an important point while validating an HTML form. In this page we have discussed how to validate a phone number (in different format) using JavaScript : Show At first, we validate a phone number of 10 digits with no comma, no spaces, no punctuation and there will be no + sign in front the number. Simply the validation will remove all non-digits and permit only phone numbers with 10 digits. Here is the function.
Flowchart: To valid a phone number like
Flowchart: If you want to use a + sign before the number in the following way
Flowchart: Following code blocks contain actual codes for the said validations. We have kept the CSS code part common for all the validations. CSS Code
Validate a 10 digit phone number At first we validate a phone number of 10 digit. For example 1234567890, 0999990011, 8888855555 etc. HTML Code
JavaScript Code
View the example in the browser Flowchart: Validate North American phone numbers Now, let's see how to validate a phone number, either in 222-055-9034, 321.789.4512 or 123 256 4587 formats. HTML Code
JavaScript Code
View the example in the browser Flowchart: Validate an international phone number with country code Now, let's see how to validate a phone number with country code, either in +24-0455-9034, +21.3789.4512 or +23 1256 4587 format. HTML Code
JavaScript Code
View the example in the browser Flowchart: file_download Download the validation code from here. Other JavaScript Validation :
Previous: JavaScript Field Level Form Validation using a registration form JavaScript: Tips of the DayPass an argument different way const value = { number: 10 }; const multiply = (x = { ...value }) => { console.log((x.number *= 2)); }; multiply(); multiply(); multiply(value); multiply(value); In ES6, we can initialize parameters with a default value. The value of the parameter will be the default value, if no other value has been
passed to the function, or if the value of the parameter is "undefined". In this case, we spread the properties of the value object into a new object, so x has the default value of { number: 10 }. Ref: https://bit.ly/323Y0P6 How do I validate a mobile number?Mobile Number validation criteria:
The first digit should contain numbers between 6 to 9. The rest 9 digit can contain any number between 0 to 9. The mobile number can have 11 digits also by including 0 at the starting. The mobile number can be of 12 digits also by including 91 at the starting.
How do I validate a phone number in HTML?HTML Demo: . . pattern="[0-9]{3}-[0-9]{3}-[0-9]{4}". required>. Format: 123-456-7890. How do I validate a phone number in react?How to Validate a Phone Number Using react-phone-number-input. Create a React app and install dependencies. ... . Build the phone number input component. ... . Render the component. ... . Add the component logic. ... . Add validation logic. ... . Get an API Key. ... . Rewrite the handleValidate function to use the API.. How do I validate a phone number in node JS?validate-phone-number-node-js v0.. Introduction. Phone number check is a npm module for NodeJS, that checks if a phone number exists and valid. It validates the number through regex.. Install. npm i validate-phone-number-node-js.. Usage. validate(phoneNumber). |