Code of IP Address validation in JavaScript – Example of form validation in JavaScript

Code of IP Address validation in JavaScript – Example of form validation in JavaScript

In this tutorial, we will try to answer the following questions;

  1. What is IP address?
  2. Examples of valid IP addresses
  3. Examples of invalid IP addresses
  4. Code example of form validation in JavaScript

What is IP address?

IP address represents a unique string of numbers having four parts and each part is separated by a dot that identifies each unique computer with the help of Internet Protocol to communicate over a network. Each part of IP address can be from 0 to 255.

Examples of valid IP addresses

123.231.232.121,  Valid because of all four parts are in between 0-255

0.0.04.1,  Valid because of all four parts are in between 0-255

Examples of invalid IP addresses

1231.231.232.121,   Invalid due to 1231 because it must be in between 0-255

60.0.260.1,  Invalid due to 260 because it must be in between 0-255

Code of IP Address validation in JavaScript – Example of form validation in JavaScript

Topic Covered

Code of IP Address validation in JavaScript – Example of form validation in JavaScript

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By: Prof. Fazal Rehman Shamil    CEO @ T4Tutorials
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9 thoughts on “Code of IP Address validation in JavaScript – Example of form validation in JavaScript

  • July 5, 2019 at 5:22 pm
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    Easy to check IP validation in JavaScript very well work

  • July 3, 2019 at 5:29 am
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    Understandable and very easy to check IP validation in JavaScript very well work…

  • July 1, 2019 at 7:47 am
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    This code runs smoothly

  • June 22, 2019 at 7:58 am
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    After the program, all concepts are clear now.

  • April 19, 2019 at 4:12 am
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    this program finds you enter valid IP or invalid. I gave IP address and show this is valid IP.

  • April 18, 2019 at 8:03 pm
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    I enter many IP addresses..it gives us the right answer… and code is so simple and by just 1 time reading it a person can understand what is happening in the program

  • April 18, 2019 at 7:58 pm
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    I write this program on my pc.it will help to check that you are entering write IP address or not..and the code is also very simple to understand

  • April 18, 2019 at 7:51 pm
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    This program checks the validity of IP addresses based on basic rules of creation if IP’s.like length or limitation of numbers.

  • April 17, 2019 at 7:31 pm
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    In this javascript code, you can find out either you are entering valid IP or not. By giving IP address as an input code will show the output you have entered the valid IP.

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