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Form validation using Javascript on the client side for beginners

  Рет қаралды 387,251

JavaScript Academy

JavaScript Academy

Күн бұрын

Пікірлер: 142
@hishamrabea566
@hishamrabea566 4 ай бұрын
Bro greatings from Egypt! You are great you helped me really ❤
@zoirradjabov1420
@zoirradjabov1420 Жыл бұрын
Simple and effective! That exactly what I needed
@vladropotica5687
@vladropotica5687 Жыл бұрын
Thank you very much. I recently started learning JavaScript, this video is the first video in 4 consecutive ones that finally worked (for me at least) without problems that i didn't know how to solve.
@JsAcademyOfficial
@JsAcademyOfficial Жыл бұрын
That’s really great to hear! I’m glad I could help 😉
@gorreon
@gorreon 4 ай бұрын
Thank you so much for this great tutorial! Saved me a lot!
@MBXD001
@MBXD001 5 ай бұрын
Very helpful video, for me this worked, nothing else was working
@realitystevens
@realitystevens 2 жыл бұрын
The form will not submit until you add the submit functionality below the validateInputs(); function.
@Itsamoudim
@Itsamoudim Жыл бұрын
you mean the validateInputs(); bellow the submit functionality
@uhk2150
@uhk2150 Жыл бұрын
How to solve this issue..
@north4220
@north4220 Жыл бұрын
@@uhk2150 did you solve it please ?
@mihrettekalgn9492
@mihrettekalgn9492 Жыл бұрын
Just put the 'defer' key word in the script tag that will solve the problem
@sarat4695
@sarat4695 Жыл бұрын
@@mihrettekalgn9492 can you please explain to me where to put it specific
@IPlayWhatiLike
@IPlayWhatiLike Жыл бұрын
Great video. Short, to the point, and well explained.
@evangelistaa.r.8242
@evangelistaa.r.8242 2 жыл бұрын
Thank you for this tutorial it helped me a lot😊
@JsAcademyOfficial
@JsAcademyOfficial 2 жыл бұрын
Great to hear that! 😊
@sh9vch9nk0
@sh9vch9nk0 5 ай бұрын
Very useful video and clear explanations, thank you for this tutorial 💗💗
@hunterzone4846
@hunterzone4846 Жыл бұрын
Thanks for this. You explained everything clearly.
@alenachuyankova
@alenachuyankova 5 күн бұрын
Thank you so much!!!!
@shankysontakke3253
@shankysontakke3253 2 жыл бұрын
This is so 👍 great Need more videos on javascript...
@JsAcademyOfficial
@JsAcademyOfficial 2 жыл бұрын
Thanks for the kind words Shanky! A few more videos are in progress, in the meanwhile you can check my other videos on javascript 😉
@user-lg7vm2eo1v
@user-lg7vm2eo1v 6 ай бұрын
Simple and understandable. Thanks
@photoinshot1355
@photoinshot1355 Жыл бұрын
Thanks for a great tutorial! How do you get the form to submit if it passes validation?
@tonytony-fc6gq
@tonytony-fc6gq Жыл бұрын
HOW DO YOU clear the input field after successful submit??
@Shalamandez
@Shalamandez 2 жыл бұрын
Thanks for this video. So simplified
@janakiramanjohn4753
@janakiramanjohn4753 Жыл бұрын
Great video bro,thank you very much
@OliaYarukhina
@OliaYarukhina Жыл бұрын
Cool! Thank you so much!
@wajry
@wajry Жыл бұрын
Brief and helpful, thanks!
@guillermomazzari4983
@guillermomazzari4983 2 жыл бұрын
Thanks a lot!! This was very useful!!!
@visenyaa19
@visenyaa19 Жыл бұрын
thank you so much for your great video
@tienskz.official
@tienskz.official Жыл бұрын
Basically, this method does not prevent the button from submitting a form even after the validation of all input controls.
@casesensitive9744
@casesensitive9744 10 ай бұрын
Yes. Please do you know how to override the preventDefault if all requirements is reached? .
@narikodanhridul2845
@narikodanhridul2845 10 ай бұрын
form.addEventListener('submit', (e) =>{ var flag = 1; if(name.value === ''){setError(name, "Username is required"); flag=0; }else{setSucces(name)} if(email.value === ''){setError(email, "email is required"); flag=0; }else{setSucces(email)} if(password.value === ''){setError(password, "Password is required"); flag=0; }else if(password.value.length < 8){setError(password, "Password must be atleast 8 charecter"); flag=0; }else{setSucces(password)} if(password2.value === ''){setError(password2, "Please confirm password"); flag=0; }else if(password.value != password2.value){setError(password2, "Password should be same"); flag=0; }else{setSucces(password2)} if(flag === 0){ e.preventDefault(); } })
@AP_Singh
@AP_Singh 2 жыл бұрын
how does the script know when every input is validated and its time to stop preventing the default action of 'submit' ??
@chrischti
@chrischti 2 жыл бұрын
Don't use the prevent submit function in the java script, instead run the function from the form, by adding onsubmit="return validateForm()", by that the form will be submitted if the function returns true
@sanjeetlal1873
@sanjeetlal1873 2 жыл бұрын
@@chrischti works!! Thank you perfect
@casesensitive9744
@casesensitive9744 10 ай бұрын
I found the solution. submit() is a method. It will just eleminate preventDefault and just submit the form.
@Blessed-d8r
@Blessed-d8r Ай бұрын
How do you write the exponential symbol?
@Raj-iz9uz
@Raj-iz9uz 2 жыл бұрын
Superb 🔥 need JavaScript Crash Course 🙏🏻😊 pls cover the JS Topic's required to Start with React or Angular 👍
@JsAcademyOfficial
@JsAcademyOfficial 2 жыл бұрын
Thanks for the feedback! It would be great to create a crash course, unfortunalely I don’t have time to create it now (this year), but it is definetely on my list now.
@ariyansgroup
@ariyansgroup 2 жыл бұрын
We are waiting for it..
@zachfenton608
@zachfenton608 2 жыл бұрын
Very well done. May I use the code in my project. I will add on to it.
@christianjack1250
@christianjack1250 2 ай бұрын
Great job
@viniciusm.m.7822
@viniciusm.m.7822 Жыл бұрын
Wow Thanks, man!
@HienTran-lo3jh
@HienTran-lo3jh 4 ай бұрын
thank you bro thumbs up
@MohamedAli-nn5ld
@MohamedAli-nn5ld Жыл бұрын
Amazing video!
@justrising4027
@justrising4027 11 ай бұрын
Please can anyone help with making the form submit?
@hyllaf
@hyllaf Жыл бұрын
would anyone know - whilst creating a SIGN UP FORM - how to get the submit button the same exact size at the input boxes?
@alwayshibu
@alwayshibu 2 жыл бұрын
very helpful turorial.
@user-hj6en4be1f
@user-hj6en4be1f 6 ай бұрын
Thank you so much.....
@AkshaPatel-hy7qo
@AkshaPatel-hy7qo 4 ай бұрын
Subscribed!
@n0lame
@n0lame Жыл бұрын
does anyone know how I would be able to transfer the information gathered from this form into MySQL using XAMPP? I've never used these programs before and I'm confused
@mahek9015
@mahek9015 Ай бұрын
event I need this! Did u find the solution?
@CLICK4CAST
@CLICK4CAST 2 жыл бұрын
hi, i am getting " Uncaught TypeError: Cannot read properties of undefined (reading 'querySelector') " it is showing at setError() line number. can you help me
@gracefool1786
@gracefool1786 2 жыл бұрын
why have a validation form tutorial where the submit button doesnt work T.T
@realitystevens
@realitystevens 2 жыл бұрын
The form will not submit until you add the submit functionality below the validateInputs(); function.
@alexanderjackson7815
@alexanderjackson7815 Жыл бұрын
@@realitystevens Okay, but what if your using php for the backend and want to actually submit for it to work, I guess its better to use something else
@johnajil6379
@johnajil6379 6 ай бұрын
Thank you
@igraphicsalliance
@igraphicsalliance 7 ай бұрын
it's work but the form not work (PHP) why?
@Duckergg.j
@Duckergg.j Жыл бұрын
It doesn't work when I submit with the button 👎
@adeshinamubarak5689
@adeshinamubarak5689 Жыл бұрын
The codes are not working
@m.j.mcintear793
@m.j.mcintear793 Жыл бұрын
how to call the function with each of these variables as an argument emailaddress variable and emailconfirm variables Do you know how to make two of the same emails need to match and is that client side validation or server side? Inquiry of js on html form
@Demon_T8_
@Demon_T8_ 3 ай бұрын
will this be saved ? i want to login with the signed id and password only
@ooooo5598
@ooooo5598 2 жыл бұрын
how can i go to other page if i click
@rameshxml
@rameshxml 2 жыл бұрын
Thank you for this but my out put is not coming if i click the button it will show the c: drive can you pls suggest
@JsAcademyOfficial
@JsAcademyOfficial 2 жыл бұрын
Feel feee to check the source code in the description, there must be a typo in your code
@chukwuebukaobiajulu2849
@chukwuebukaobiajulu2849 2 жыл бұрын
Don't know if you found a solution yet, but in your HTML, your form tag, just delete everything else in there and use only id="id name"
@youtubepv
@youtubepv 2 жыл бұрын
Thnks😊
@nelmarkjhonduarte4040
@nelmarkjhonduarte4040 Жыл бұрын
can you make tutorial this form validation with firebase, it will be so helpful to others if make that :(
@boky7731
@boky7731 Жыл бұрын
Hey, so how to stop preventDefault() from executing if the inputs are valid?
@north4220
@north4220 Жыл бұрын
did you find a solution please .?
@mahinpatel8024
@mahinpatel8024 Жыл бұрын
if (document.querySelectorAll('.success').length === 4) { // submit the form form.submit(); } // You can submit the form if all the inputs are valid by adding a line of code after the validation checks inside the validateInputs function.
@narikodanhridul2845
@narikodanhridul2845 10 ай бұрын
form.addEventListener('submit', (e) =>{ var flag = 1; if(name.value === ''){setError(name, "Username is required"); flag=0; }else{setSucces(name)} if(email.value === ''){setError(email, "email is required"); flag=0; }else{setSucces(email)} if(password.value === ''){setError(password, "Password is required"); flag=0; }else if(password.value.length < 8){setError(password, "Password must be atleast 8 charecter"); flag=0; }else{setSucces(password)} if(password2.value === ''){setError(password2, "Please confirm password"); flag=0; }else if(password.value != password2.value){setError(password2, "Password should be same"); flag=0; }else{setSucces(password2)} if(flag === 0){ e.preventDefault(); } })
@mikensonpierre2029
@mikensonpierre2029 2 жыл бұрын
Would it be an issue if we use the same div class = "input-control" instead of creating multiple and just changing the id and name?
@bankoledada
@bankoledada Жыл бұрын
your website seems to be down - tried visiting and no joy. Great video
@JsAcademyOfficial
@JsAcademyOfficial Жыл бұрын
It should be up I’ve just tested it. Please try it like this: www.javascriptacademy.dev
@jeo8007
@jeo8007 Жыл бұрын
why i cant submit the form??
@web__designerr
@web__designerr Жыл бұрын
how to redirect the next page
@MAjay-qh1xd
@MAjay-qh1xd 2 жыл бұрын
Nice
@JsAcademyOfficial
@JsAcademyOfficial 2 жыл бұрын
Thank you! 😊
@khensanimatjokana5843
@khensanimatjokana5843 Жыл бұрын
css part was a bit blury at the end but good video
@ishaanapte6570
@ishaanapte6570 Жыл бұрын
thanks😀
@ahmetbiba2489
@ahmetbiba2489 Жыл бұрын
Thank you so much everything is working but i need a little help at the submit button i have to make a link to anther page after i fill all the boxes is it possible.
@JsAcademyOfficial
@JsAcademyOfficial Жыл бұрын
You can use the action attribute of the form element or you can send an xmlhttprequest to any backend endpoint
@madebytl
@madebytl 2 жыл бұрын
Hi, there how can we do with onClick(); when button have clicked?
@bzoxx
@bzoxx 2 жыл бұрын
I know it's been 2 months but... You just assign the attribute Onclick = yourfunc()
@madebytl
@madebytl Жыл бұрын
@@bzoxx Thank! but what if we didn't fill the form already and then click on button.
@chiennguyen4652
@chiennguyen4652 3 ай бұрын
Where is source code?
@MichaelWarmer
@MichaelWarmer Жыл бұрын
how do i remove e.preventDefault() after validation so it move to the next page... thank you
@JsAcademyOfficial
@JsAcademyOfficial Жыл бұрын
I’m planning to release a tutorial about it soon, you have some options in the form you can set the action which accepts a url and then you need to have a backend configured to handle the data from your form
@duypkthg592
@duypkthg592 Жыл бұрын
Nice🥰
@rodynamuhammadgalal8382
@rodynamuhammadgalal8382 Жыл бұрын
what about when validating radio buttons and dropdown lists?
@kevinrwema9669
@kevinrwema9669 6 ай бұрын
you don't need to worry about validating radio buttons ant select list. users can only select from the options you've predefined upon creating
@polnapanda4934
@polnapanda4934 Жыл бұрын
Godly
@Aut-O-Mizer
@Aut-O-Mizer 2 жыл бұрын
How did you space out the text boxes without using any margin settings
@fidelisitor8953
@fidelisitor8953 2 жыл бұрын
the spacing was added from the height of the .error div
@Aut-O-Mizer
@Aut-O-Mizer 2 жыл бұрын
@@fidelisitor8953 Thanks bro
@louizamariakonizari2022
@louizamariakonizari2022 2 жыл бұрын
Could you please help me to understand my mistake? I have the following code: dokimastiko and this is my js code let y = getElementById('onoma').value; and it gives me a reference error getelementbyid("onoma").value; is not defined. What am I doing wrong? Thank you.
@chrischti
@chrischti 2 жыл бұрын
Correct is: let y = document.getElementById('onoma').value
@ernesto8273
@ernesto8273 2 жыл бұрын
All went well. Please what do I need to do if I want to add an icon on the error validation?
@voldy9918
@voldy9918 Жыл бұрын
Hi, do u finally got this?? explain me pls!
@kahlschlag17
@kahlschlag17 2 жыл бұрын
querySelectro('.error)'; ....why the dot?
@JsAcademyOfficial
@JsAcademyOfficial 2 жыл бұрын
It mean that the error is a Html class
@kahlschlag17
@kahlschlag17 2 жыл бұрын
@@JsAcademyOfficial thanks mate.
@jianpatricio7196
@jianpatricio7196 Жыл бұрын
For validation purpose this video is informative, but when in comes to submission 👎 the guy did not give a tutorial on how to submit the form, which is the main purpose of form validation. The guy just focus on ui/ux validation output. So if you're beginner this tutorial is no good, especially if you want to submit the form.
@JsAcademyOfficial
@JsAcademyOfficial Жыл бұрын
I'll release a tutorial soon where I'll show you how you can submit the form and process it on the server-side (nodejs). Stay tuned.
@AP_Singh
@AP_Singh 2 жыл бұрын
I am using javascript function to submit form data. So, how can call it only after validating inputs?
@sankalpsingh9386
@sankalpsingh9386 2 жыл бұрын
Yes we want to know ?
@erensancar4381
@erensancar4381 Жыл бұрын
does not work
@casesensitive9744
@casesensitive9744 10 ай бұрын
This whole this is very blurry did he had to assign the valuateInputs to a variable bacause just the name can be a the name. 😄
@johnerickmarzo7278
@johnerickmarzo7278 2 жыл бұрын
Lesson from udemy
@victormuturi618
@victormuturi618 8 ай бұрын
Rien compris
@kgamer5842
@kgamer5842 2 жыл бұрын
i bet this fella is Hungarian
@saiyannaingx6416
@saiyannaingx6416 2 жыл бұрын
After validating and theres no error but the submit button not working anymore. how do i fix this
@lailaayman1040
@lailaayman1040 2 жыл бұрын
i want to know how too
@chrischti
@chrischti 2 жыл бұрын
Don't use the prevent submit function in the java script, instead run the function from the form, by adding onsubmit="return validateForm()", by that the form will be submitted if the function returns true
@sankalpsingh9386
@sankalpsingh9386 2 жыл бұрын
@@chrischti this not working
@njmust
@njmust 2 жыл бұрын
how to submit if validations are true....
@MarkoVucicevic
@MarkoVucicevic 18 күн бұрын
How to remove preventDefault after everything is validated? Form can't be submitted. Without that this tutorial is useless :)
@hexor8851
@hexor8851 Жыл бұрын
gj
@sajiyasulthana4849
@sajiyasulthana4849 Жыл бұрын
😭😭
@Dake6i
@Dake6i 2 жыл бұрын
Русскоговорящий что ли?
@JsAcademyOfficial
@JsAcademyOfficial 2 жыл бұрын
нет, I'm hungarian :)
@Dake6i
@Dake6i 2 жыл бұрын
@@JsAcademyOfficial Madiyar?
@JsAcademyOfficial
@JsAcademyOfficial 2 жыл бұрын
Yes, magyar :)
@Dake6i
@Dake6i 2 жыл бұрын
@@JsAcademyOfficial I'm Kazakh. Kazah vagyok:)
@JsAcademyOfficial
@JsAcademyOfficial 2 жыл бұрын
That’s a nice place, welcome abroad!
@MarshGames
@MarshGames 2 жыл бұрын
bro you go so fast pls slow down for the newbies here
@manojsunar192
@manojsunar192 10 ай бұрын
This is not for beginners for sure 😅😂
@JsAcademyOfficial
@JsAcademyOfficial Жыл бұрын
New web development tutorial from me: Memory card game using Javascript, HTML, and CSS: 🔥 kzfaq.info/get/bejne/rr2UntdnsLnNoqs.html
@darlingfans8538
@darlingfans8538 10 ай бұрын
Total code copy and paste worest class
@lucianlsd3274
@lucianlsd3274 10 ай бұрын
For beginners my ass, i ve seen dozens of forms with js and this is not beginner level pffff BS
@olga_lc
@olga_lc 2 жыл бұрын
Thanks a lot, that was useful!
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