display: block;
margin-block-start: 1em;
margin-block-end: 1em;
margin-inline-start: 0px;
margin-inline-end: 0px;
word-wrap: break-word;

line-height: 2em;}

h3{text-align: left;
font-family: Open Sans,Arial,sans-serif;
line-height: 1.7em;
color:black;
color:#333131;
font-weight: 520;

-webkit-font-smoothing: antialiased;
}

h2{text-align: left;
font-family: Open Sans,Arial,sans-serif;
line-height: 1.7em;
color:black;

font-weight: 620;
-webkit-font-smoothing: antialiased;
}

.class {
background:#edf0f2;
font-family: Consolas,Monaco,Lucida Console,monospace;
line-height: 1.65;
word-wrap: break-word;
border-radius: 5px;
color:#001d8f;
font-size:17.1px;
padding-left:10px;
white-space: pre-wrap;}

button.last-btn{
padding:14px 29px;
font-size:17px;
background-color:#0e87f0;
border-radius:6px;
color:white;
font-family: Open Sans,Arial,sans-serif;
border:none;
margin-left:35%;

}

@media only screen and (max-width: 400px) {
button.last-btn{
margin-left:0px;
margin-right:0px;
}
}
@media only screen and (max-width: 300px) {
button.last-btn{
margin-left:0px;
margin-right:0px;
}
}
@media only screen and (max-width: 600px) {
button.last-btn{
margin-left:0px;
margin-right:0px;
}
}
@media only screen and (max-width: 800px) {
button.last-btn{
margin-left:0px;
margin-right:0px;
}
}

@media only screen and (max-width: 400px) {
.copyButton {
width: 45%;
}

Currently, almost all registration forms use JavaScript validation. So in this tutorial, I have shown you how to create JavaScript Registration Form Validation.

Earlier I shared tutorials on creating different types of registration forms and login forms. All those designs were made by HTML and CSS only. But here I have used some JavaScript to make this registration form fully functional. For more quality information follow my blog site ObservePoint.

Basically, some conditions have been added here for your input. According to those conditions, you have to input in the information input box.

Here an error message has been added to each input box. If you input something incorrectly then enter this registration form. Then this error message can be seen.

Registration Form with Validation

Here I have shared a complete step-by-step tutorial and provided complete source code for your work. You can create this JavaScript form validation by copying the code directly if you want.

What I am saying is if you have difficulty understanding then you can follow the demo section below.

As you can see, this is a simple registration form with five input boxes and one button. First I created a box on the web page.

See the Pen
Untitled by Shantanu Jana (@shantanu-jana)
on CodePen.

A shadow has been used around this box and the background color has been white. First of all, there is a heading which is basically for beauty. Then there are the five input boxes.

Since this is a registration form many types of input have been used here. Although you can create many more types of input boxes here if you want.

How to Create Registration Form with Validation

If you just want to create a registration form then you can see my other tutorials. Let’s see how Registration Form with JavaScript Validation can be created.

First I gave a step-by-step tutorial for beginners. Then I gave the button to download the source code.

Step 1: Basic structure of registration form