Validating form with captcha form is submitting if wrong

Question

1.00/5 (1 vote)

See more:

i have a form with fields captcha and a submit button , the problem i am having the form submits even if the captcha is wrong

What I have tried:

function validateRecaptcha() {
    var response = grecaptcha.getResponse();
    if (response.length === 0) {
        alert("not validated");
        return true; // form will be submitted
    } else {
        alert("validated");
        return false; //form will not be submitted
    }

Posted 8-Apr-21 4:54am

james hruska

Updated 8-Apr-21 19:53pm

Add a Solution

Comments

CHill60 8-Apr-21 11:10am

What is in response?

Richard MacCutchan 8-Apr-21 11:39am

It looks like your return values are the wrong way round.

CHill60 8-Apr-21 11:42am

In addition to Richard's eagle-eyed observation ... aren't you supposed to validate the response with the Google API and use the result from that validation?

Richard Deeming 9-Apr-21 4:36am

Indeed - validating the captcha on the client serves no purpose, since the bots you're trying to exclude will simply not execute your script. :)

1 solution

Add a Solution

Add your solution here

Treat my content as plain text, not as HTML

Preview 0

…

Existing Members

Sign in to your account

...or Join us

Download, Vote, Comment, Publish.

Your Email
Password
Forgot your password?

Your Email
This email is in use. Do you need your password?
Optional Password

I have read and agree to the Terms of Service and Privacy Policy
Please subscribe me to the CodeProject newsletters

When answering a question please:

Read the question carefully.
Understand that English isn't everyone's first language so be lenient of bad spelling and grammar.
If a question is poorly phrased then either ask for clarification, ignore it, or edit the question and fix the problem. Insults are not welcome.
Don't tell someone to read the manual. Chances are they have and don't get it. Provide an answer or move on to the next question.

Let's work to help developers, not make them feel stupid.

This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Arfat M · Answer 1 · 2021-04-08T19:53:00

JavaScript

function validateRecaptcha() {
    var response = grecaptcha.getResponse();
    if (response.length === 0) {
        alert("not validated");
        return false;               // not valid then return false
    } else {
        alert("validated");
        return true;                // If valid then return true
    }