<!DOCTYPE html>
<
html
lang
=
"en"
>
<
head
>
<
meta
charset
=
"UTF-8"
>
<
meta
name
=
"viewport"
content="
width
=
device
-width,
initial-scale
=
1
.0">
<
title
>Multi Step Form</
title
>
<
link
href
=
<
link
href
=
<
style
>
body {
font-family: 'Open Sans', sans-serif;
background-color: #f8f9fa;
}
.container {
max-width: 500px;
background-color: #ffffff;
margin: 40px auto;
padding: 40px;
border-radius: 12px;
box-shadow: 0px 6px 18px rgba(0, 0, 0, 0.1);
}
.step {
display: none;
}
.active {
display: block;
}
input {
padding: 15px 20px;
width: 100%;
font-size: 1em;
border: 1px solid #e3e3e3;
border-radius: 5px;
}
input:focus {
border: 1px solid #009688;
outline: 0;
}
.invalid {
border: 1px solid #ffaba5;
}
#nextBtn,
#prevBtn {
background-color: #009688;
color: #ffffff;
border: none;
padding: 13px 30px;
font-size: 1em;
cursor: pointer;
border-radius: 5px;
flex: 1;
margin-top: 5px;
transition: background-color 0.3s ease;
}
#prevBtn {
background-color: #ffffff;
color: #009688;
border: 1px solid #009688;
}
#prevBtn:hover,
#nextBtn:hover {
background-color: #00796b;
color: #ffffff;
}
.progress {
margin-bottom: 20px;
}
</
style
>
</
head
>
<
body
>
<
div
class
=
"container"
>
<
div
class
=
"progress"
>
<
div
class="progress-bar
progress-bar-striped bg-success"
role
=
"progressbar"
style
=
"width: 0%"
aria-valuenow
=
"0"
aria-valuemin
=
"0"
aria-valuemax
=
"100"
></
div
>
</
div
>
<
div
class
=
"step active"
>
<
p
class
=
"text-center mb-4"
>Step 1 Content</
p
>
<
div
class
=
"mb-3"
>
<
input
type
=
"text"
placeholder
=
"Field 1"
oninput
=
"this.className = ''"
name
=
"field1"
>
</
div
>
</
div
>
<
div
class
=
"step"
>
<
p
class
=
"text-center mb-4"
>Step 2 Content</
p
>
<
div
class
=
"mb-3"
>
<
input
type
=
"text"
placeholder
=
"Field 2"
oninput
=
"this.className = ''"
name
=
"field2"
>
</
div
>
</
div
>
<
div
class
=
"step"
>
<
p
class
=
"text-center mb-4"
>Step 3 Content</
p
>
<
div
class
=
"mb-3"
>
<
input
type
=
"text"
placeholder
=
"Field 3"
oninput
=
"this.className = ''"
name
=
"field3"
>
</
div
>
</
div
>
<
div
class
=
"form-footer d-flex"
>
<
button
type
=
"button"
id
=
"prevBtn"
onclick
=
"nextPrev(-1)"
>Previous</
button
>
<
button
type
=
"button"
id
=
"nextBtn"
onclick
=
"nextPrev(1)"
>Next</
button
>
</
div
>
</
div
>
<
script
>
let currentTab = 0;
showTab(currentTab);
function showTab(n) {
let x = document.getElementsByClassName("step");
x[n].style.display = "block";
let progress = (n / (x.length - 1)) * 100;
document.querySelector(".progress-bar")
.style.width = progress + "%";
document.querySelector(".progress-bar")
.setAttribute("aria-valuenow", progress);
document.getElementById("prevBtn")
.style.display = n == 0 ? "none" : "inline";
document.getElementById("nextBtn")
.innerHTML = n == x.length - 1 ? "Submit" : "Next";
}
function nextPrev(n) {
let x = document.getElementsByClassName("step");
if (n == 1 && !validateForm()) return false;
x[currentTab].style.display = "none";
currentTab += n;
if (currentTab >= x.length) {
resetForm();
return false;
}
showTab(currentTab);
}
function validateForm() {
let valid = true;
let x = document.getElementsByClassName("step");
let y = x[currentTab].getElementsByTagName("input");
for (var i = 0; i <
y.length
; i++) {
if (y[i].value == "") {
y[i].className += " invalid";
valid
=
false
;
}
}
return valid;
}
function resetForm() {
let
x
=
document
.getElementsByClassName("step");
for (var
i
=
0
; i < x.length; i++) {
x[i]
.style.display
=
"none"
;
}
let
inputs
=
document
.querySelectorAll("input");
inputs.forEach(input => {
input.value = "";
input.className = "";
});
currentTab = 0;
showTab(currentTab);
document.querySelector(".progress-bar")
.style.width = "0%";
document.querySelector(".progress-bar")
.setAttribute("aria-valuenow", 0);
document.getElementById("prevBtn")
.style.display = "none";
}
</
script
>
</
body
>
</
html
>