In React JS development, validating user input is crucial for ensuring data integrity and providing a seamless user experience. Implementing password and confirm password validation using onBlur event handling in JSX optimizes form interactions and enhances security.

Explaining the post’s significance and relevance to you, we delve into the process of validating passwords and confirm passwords using onBlur event handling in JSX. We address the importance of this feature and its impact on user interaction and data security within React applications.

Creating the Issue

To illustrate how the issue arises, consider a scenario where a user attempts to register or update their password information. Without onBlur validation, users may input mismatched passwords or encounter difficulties in confirming their entries.

To create the issue, let’s consider a React component with password and confirm password input fields lacking onBlur event handling for validation:

// React Component without onBlur Validation
<input type="password" name="password" />
<input type="password" name="confirmPassword" />

Root Cause of the Issue

The absence of onBlur event handling in the React component prevents real-time validation of password and confirm password fields. As a result, users may submit inaccurate or mismatched data, leading to potential security risks and user frustration.

To resolve this issue, follow the step-by-step procedure outlined below:

Step 1: Implement onBlur Event Handling

Integrate onBlur event handlers for password and confirm password fields to trigger validation upon user interaction.

// onBlur Event Handling for Password Field
<input type="password" name="password" onBlur={handlePasswordValidation} />

// onBlur Event Handling for Confirm Password Field
<input type="password" name="confirmPassword" onBlur={handleConfirmPasswordValidation} />

Step 2: Define Validation Functions

Create functions to validate password and confirm password fields based on specified criteria.

// Password Validation Function
const handlePasswordValidation = (e) => {
  // Implement validation logic

// Confirm Password Validation Function
const handleConfirmPasswordValidation = (e) => {
  // Implement validation logic

Step 3: Compare Passwords

Compare password and confirm password inputs to ensure consistency and accuracy.

// Compare Passwords
if (password !== confirmPassword) {
  // Handle mismatch scenario

Step 4: Provide User Feedback

Display relevant error messages or visual cues to notify users of validation results.

// Display Error Message
{passwordError && <span className="error-message">Passwords do not match</span>}

Step 5: Enhance User Experience

Implement user-friendly features such as password strength indicators or tooltips to assist users in creating secure passwords.

Complete React JS Example Code

Below is a comprehensive example demonstrating the implementation of password and confirm password validation using onBlur event handling in a React JS application:

import React, { useState } from 'react';

const PasswordForm = () => {
  const [password, setPassword] = useState('');
  const [confirmPassword, setConfirmPassword] = useState('');
  const [passwordError, setPasswordError] = useState(false);

  const handlePasswordChange = (e) => {

  const handleConfirmPasswordChange = (e) => {

  const handlePasswordValidation = () => {
    if (password !== confirmPassword) {
    } else {

  return (
      {passwordError && <span className="error-message">Passwords do not match</span>}

export default PasswordForm;

This example illustrates how to implement password and confirm password validation using onBlur event handling in a React JS application, ensuring data integrity and enhancing user experience.