<!DOCTYPE html> <html> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link href="https://fonts.googleapis.com/css?family=Raleway" rel="stylesheet"> <style> * { box-sizing: border-box; } body { background-color: #f1f1f1; } #regForm { background-color: #ffffff; margin: 100px auto; font-family: Raleway; padding: 40px; width: 70%; min-width: 300px; } h1 { text-align: center; } input { padding: 10px; width: 100%; font-size: 17px; font-family: Raleway; border: 1px solid #aaaaaa; } /* Mark input boxes that gets an error on validation: */ input.invalid { background-color: #ffdddd; } /* Hide all steps by default: */ .tab { display: none; } button { background-color: #69B7E2; color: #ffffff; border: none; padding: 10px 20px; font-size: 17px; font-family: Raleway; cursor: pointer; } button:hover { opacity: 0.8; } #prevBtn { background-color: #bbbbbb; } /* Make circles that indicate the steps of the form: */ .step { height: 15px; width: 15px; margin: 0 2px; background-color: #bbbbbb; border: none; border-radius: 50%; display: inline-block; opacity: 0.5; } .step.active { opacity: 1; } /* Mark the steps that are finished and valid: */ .step.finish { background-color: #4CAF50; } </style> <body> <form id="regForm" action="/action_page.php"> <h1>Register:</h1> <!-- One "tab" for each step in the form: --> <div class="tab">Name: <p><input placeholder="First name..." oninput="this.className = ''" name="fname"></p> <p><input placeholder="Last name..." oninput="this.className = ''" name="lname"></p> </div> <div class="tab">Contact Info: <p><input placeholder="E-mail..." oninput="this.className = ''" name="email"></p> <p><input placeholder="Phone..." oninput="this.className = ''" name="phone"></p> </div> <div class="tab">Birthday: <p><input placeholder="dd" oninput="this.className = ''" name="dd"></p> <p><input placeholder="mm" oninput="this.className = ''" name="nn"></p> <p><input placeholder="yyyy" oninput="this.className = ''" name="yyyy"></p> </div> <div class="tab">Login Info: <p><input placeholder="Username..." oninput="this.className = ''" name="uname"></p> <p><input placeholder="Password..." oninput="this.className = ''" name="pword" type="password"></p> </div> <div style="overflow:auto;"> <div style="float:right;"> <button type="button" id="prevBtn" onclick="nextPrev(-1)">Previous</button> <button type="button" id="nextBtn" onclick="nextPrev(1)">Next</button> </div> </div> <!-- Circles which indicates the steps of the form: --> <div style="text-align:center;margin-top:40px;"> <span class="step"></span> <span class="step"></span> <span class="step"></span> <span class="step"></span> </div> </form> <script> var currentTab = 0; // Current tab is set to be the first tab (0) showTab(currentTab); // Display the crurrent tab function showTab(n) { // This function will display the specified tab of the form... var x = document.getElementsByClassName("tab"); x[n].style.display = "block"; //... and fix the Previous/Next buttons: if (n == 0) { document.getElementById("prevBtn").style.display = "none"; } else { document.getElementById("prevBtn").style.display = "inline"; } if (n == (x.length - 1)) { document.getElementById("nextBtn").innerHTML = "Submit"; } else { document.getElementById("nextBtn").innerHTML = "Next"; } //... and run a function that will display the correct step indicator: fixStepIndicator(n) } function nextPrev(n) { // This function will figure out which tab to display var x = document.getElementsByClassName("tab"); // Exit the function if any field in the current tab is invalid: if (n == 1 && !validateForm()) return false; // Hide the current tab: x[currentTab].style.display = "none"; // Increase or decrease the current tab by 1: currentTab = currentTab + n; // if you have reached the end of the form... if (currentTab >= x.length) { // ... the form gets submitted: document.getElementById("regForm").submit(); return false; } // Otherwise, display the correct tab: showTab(currentTab); } function validateForm() { // This function deals with validation of the form fields var x, y, i, valid = true; x = document.getElementsByClassName("tab"); y = x[currentTab].getElementsByTagName("input"); // A loop that checks every input field in the current tab: for (i = 0; i < y.length; i++) { // If a field is empty... if (y[i].value == "") { // add an "invalid" class to the field: y[i].className += " invalid"; // and set the current valid status to false valid = false; } } // If the valid status is true, mark the step as finished and valid: if (valid) { document.getElementsByClassName("step")[currentTab].className += " finish"; } return valid; // return the valid status } function fixStepIndicator(n) { // This function removes the "active" class of all steps... var i, x = document.getElementsByClassName("step"); for (i = 0; i < x.length; i++) { x[i].className = x[i].className.replace(" active", ""); } //... and adds the "active" class on the current step: x[n].className += " active"; } </script> </body> </html>
<form id="regForm" action=""> <h1>Register:</h1> <!-- One "tab" for each step in the form: --> <div class="tab">Name: <p><input placeholder="First name..." oninput="this.className = ''"></p> <p><input placeholder="Last name..." oninput="this.className = ''"></p> </div> <div class="tab">Contact Info: <p><input placeholder="E-mail..." oninput="this.className = ''"></p> <p><input placeholder="Phone..." oninput="this.className = ''"></p> </div> <div class="tab">Birthday: <p><input placeholder="dd" oninput="this.className = ''"></p> <p><input placeholder="mm" oninput="this.className = ''"></p> <p><input placeholder="yyyy" oninput="this.className = ''"></p> </div> <div class="tab">Login Info: <p><input placeholder="Username..." oninput="this.className = ''"></p> <p><input placeholder="Password..." oninput="this.className = ''"></p> </div> <div style="overflow:auto;"> <div style="float:right;"> <button type="button" id="prevBtn" onclick="nextPrev(-1)">Previous</button> <button type="button" id="nextBtn" onclick="nextPrev(1)">Next</button> </div> </div> <!-- Circles which indicates the steps of the form: --> <div style="text-align:center;margin-top:40px;"> <span class="step"></span> <span class="step"></span> <span class="step"></span> <span class="step"></span> </div> </form>
Style the form elements
/* Style the form */ #regForm { background-color: #ffffff; margin: 100px auto; padding: 40px; width: 70%; min-width: 300px; } /* Style the input fields */ input { padding: 10px; width: 100%; font-size: 17px; font-family: Raleway; border: 1px solid #aaaaaa; } /* Mark input boxes that gets an error on validation: */ input.invalid { background-color: #ffdddd; } /* Hide all steps by default: */ .tab { display: none; } /* Make circles that indicate the steps of the form: */ .step { height: 15px; width: 15px; margin: 0 2px; background-color: #bbbbbb; border: none; border-radius: 50%; display: inline-block; opacity: 0.5; } /* Mark the active step: */ .step.active { opacity: 1; } /* Mark the steps that are finished and valid: */ .step.finish { background-color: #4CAF50; }
var currentTab = 0; // Current tab is set to be the first tab (0) showTab(currentTab); // Display the current tab function showTab(n) { // This function will display the specified tab of the form ... var x = document.getElementsByClassName("tab"); x[n].style.display = "block"; // ... and fix the Previous/Next buttons: if (n == 0) { document.getElementById("prevBtn").style.display = "none"; } else { document.getElementById("prevBtn").style.display = "inline"; } if (n == (x.length - 1)) { document.getElementById("nextBtn").innerHTML = "Submit"; } else { document.getElementById("nextBtn").innerHTML = "Next"; } // ... and run a function that displays the correct step indicator: fixStepIndicator(n) } function nextPrev(n) { // This function will figure out which tab to display var x = document.getElementsByClassName("tab"); // Exit the function if any field in the current tab is invalid: if (n == 1 && !validateForm()) return false; // Hide the current tab: x[currentTab].style.display = "none"; // Increase or decrease the current tab by 1: currentTab = currentTab + n; // if you have reached the end of the form... : if (currentTab >= x.length) { //...the form gets submitted: document.getElementById("regForm").submit(); return false; } // Otherwise, display the correct tab: showTab(currentTab); } function validateForm() { // This function deals with validation of the form fields var x, y, i, valid = true; x = document.getElementsByClassName("tab"); y = x[currentTab].getElementsByTagName("input"); // A loop that checks every input field in the current tab: for (i = 0; i < y.length; i++) { // If a field is empty... if (y[i].value == "") { // add an "invalid" class to the field: y[i].className += " invalid"; // and set the current valid status to false: valid = false; } } // If the valid status is true, mark the step as finished and valid: if (valid) { document.getElementsByClassName("step")[currentTab].className += " finish"; } return valid; // return the valid status } function fixStepIndicator(n) { // This function removes the "active" class of all steps... var i, x = document.getElementsByClassName("step"); for (i = 0; i < x.length; i++) { x[i].className = x[i].className.replace(" active", ""); } //... and adds the "active" class to the current step: x[n].className += " active"; }
