By using "Fast Captcha," you can enhance the security and user experience of your web application by adding CAPTCHA protection to your forms. This npm package simplifies the process of CAPTCHA generation and validation, helping you guard against automated spam and fraudulent submissions.
To install the Fast Captcha package, you can use npm:
npm install fast-captchaGenerate a new CAPTCHA:
const { getNewCaptcha } = require('fast-captcha');
const newCaptcha = getNewCaptcha();
console.log('CAPTCHA ID:', newCaptcha.id); // unique image id
console.log('CAPTCHA Data URL:', newCaptcha.imageData); // base64 imageVerify a new CAPTCHA:
const { verifyCaptcha} = require('fast-captcha');
const userAnswer = '1aOMC';
const captchaId = 34;// enter you captcha id
const isVerified = verifyCaptcha(captchaId, userAnswer);
console.log('CAPTCHA Verification Result:', isVerified); // true or false
if(isVerified){
console.log("okkkkkk");
}
else{
console.log("Wrong Captcha");
}captchaId: repalce with your uniqe captcha id.userAnswer: Enter answer of captcha.
It Return True Or False Boolean Value.
Show Captcha Image:
const express = require('express')
const app = express()
const { getNewCaptcha } = require('fast-captcha');
app.get('/', function (req, res) {
let Captcha = getNewCaptcha();
let uniqId = Captcha.id; // store it in you database to cross check captcha
res.send(`<img src="${Captcha.imageData}">`);
})
app.listen(3000, () => console.log("app running on port http://localhost:3000"))$ npm installStart the server:
$ npm startView the website at: http://localhost:3000
Free Package, Hell Yeah!
卐🕉 Avinash Tare 🕉 卐