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javascripthtmlcsscolorstabs

how to have next/save button inside a tab to proceed with next tab


Im new/noob to coding, I would just like to ask how can you make a tab proceed on the next tab once the user click next/save? and would it be possible to change the color of the finished tab? for ex. all the finished tab will be green while the current/unfinished will be yellow and the unopened is gray. please help, i cant not get pass this task huhu thank you so much in advance

<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
* {box-sizing: border-box}
body {font-family: "Lato", sans-serif;}

/* Style the tab */
.tab {
  float: left;
  border: 1px solid #ccc;
  background-color: #f1f1f1;
  width: 30%;
  height: 300px;
}

/* Style the buttons inside the tab */
.tab button {
  display: block;
  background-color: inherit;
  color: black;
  padding: 22px 16px;
  width: 100%;
  border: none;
  outline: none;
  text-align: left;
  cursor: pointer;
  transition: 0.3s;
  font-size: 17px;
}

/* Change background color of buttons on hover */
.tab button:hover {
  background-color: #ddd;
}

/* Create an active/current "tab button" class */
.tab button.active {
  background-color: #ccc;
}

/* Style the tab content */
.tabcontent {
  float: left;
  padding: 0px 12px;
  border: 1px solid #ccc;
  width: 70%;
  border-left: none;
  height: 300px;
}
</style>
</head>
<body>

<h2>Vertical Tabs</h2>
<p>Click on the buttons inside the tabbed menu:</p>

<div class="tab">
  <button class="tablinks" onclick="openCity(event, 'London')" id="defaultOpen">London</button>
  <button class="tablinks" onclick="openCity(event, 'Paris')">Paris</button>
  <button class="tablinks" onclick="openCity(event, 'Tokyo')">Tokyo</button>
</div>

<div id="London" class="tabcontent">
  <h3>London</h3>
  <p>London is the capital city of England.</p>
</div>

<div id="Paris" class="tabcontent">
  <h3>Paris</h3>
  <p>Paris is the capital of France.</p> 
</div>

<div id="Tokyo" class="tabcontent">
  <h3>Tokyo</h3>
  <p>Tokyo is the capital of Japan.</p>
</div>  
</body>
</html> 
<script>
function openCity(evt, cityName) {
  var i, tabcontent, tablinks;
  tabcontent = document.getElementsByClassName("tabcontent");
  for (i = 0; i < tabcontent.length; i++) {
    tabcontent[i].style.display = "none";
  }
  tablinks = document.getElementsByClassName("tablinks");
  for (i = 0; i < tablinks.length; i++) {
    tablinks[i].className = tablinks[i].className.replace(" active", "");
  }
  document.getElementById(cityName).style.display = "block";
  evt.currentTarget.className += " active";
}

// Get the element with id="defaultOpen" and click on it
document.getElementById("defaultOpen").click();
</script>

Solution

  • I've edited your code to this. Hope it helps :)

    Edited:

    <html>
    <head>
        <meta name="viewport" content="width=device-width, initial-scale=1">
        <style>
            * {
                box-sizing: border-box
            }
    
            body {
                font-family: "Lato", sans-serif;
            }
    
            /* Style the tab */
            .tab {
                float: left;
                border: 1px solid #ccc;
                background-color: #f1f1f1;
                width: 30%;
                height: 300px;
            }
    
            /* Style the buttons inside the tab */
            .tab button {
                display: block;
                background-color: inherit;
                color: black;
                padding: 22px 16px;
                width: 100%;
                border: none;
                outline: none;
                text-align: left;
                cursor: pointer;
                transition: 0.3s;
                font-size: 17px;
            }
    
            /* Change background color of buttons on hover */
            .tab button:hover {
                background-color: #ddd;
            }
    
            /* Create an active/current "tab button" class */
            .tab button.active {
                background-color: #e2f237;
            }
    
            .tab button.completed {
                background-color: #19ea82;
            }
    
            .tabcontent.active{
                display: block;
    
            }
    
            .tabcontent.not-active{
                display: none;
            }
    
            /* Style the tab content */
            .tabcontent {
                float: left;
                padding: 0px 12px;
                border: 1px solid #ccc;
                width: 70%;
                border-left: none;
                height: 300px;
            }
        </style>
    </head>
    <body>
    <script>
        var currentTab = 0; // Keep track of the current tab
        var tablinks = document.getElementsByClassName("tablinks");
        var tabcontent = document.getElementsByClassName("tabcontent");
    
        function openCity(evt, cityName) {
            for (var i = 0; i < tabcontent.length; i++) {
                tabcontent[i].style.display = "none";
            }
            for (var i = 0; i < tablinks.length; i++) {
                tablinks[i].className = tablinks[i].className.replace(" active", "");
                if (tablinks[i].id === cityName) {
                    currentTab = i; // Update the current tab when a tab is clicked
                }
            }
            document.getElementById(cityName).style.display = "block";
            evt.currentTarget.className += " active";
        }
    
    
        function nextTab() {
            console.log(currentTab)
            console.log(tablinks.length-1)
            if (currentTab < tablinks.length - 1) { // Check if it's not the last tab
                tablinks[currentTab].className = tablinks[currentTab].className.replace(" active", " completed");
                tabcontent[currentTab].style.display = "none";
                currentTab++; // Move to the next tab
                tablinks[currentTab].className += " active";
                tabcontent[currentTab].style.display = "block";
            }
            if (currentTab === tablinks.length - 1) { // Check if it's the last tab
                var nextButton = document.getElementById("nBtn");
    
                if(nextButton.textContent === "Finish") {
                    tablinks[currentTab].className = tablinks[currentTab].className.replace(" active", " completed");
                }
    
                console.log(nextButton)
                nextButton.textContent = "Finish"; // Change the button text to "Finish"
            }
        }
    </script>
    
    <h2>Vertical Tabs</h2>
    <p>Click on the buttons inside the tabbed menu:</p>
    
    <div class="tab">
        <button class="tablinks active" id="London" onclick="openCity(event, 'London')">London</button>
        <button class="tablinks" id="Paris" onclick="openCity(event, 'Paris')">Paris</button>
        <button class="tablinks" id="Tokyo" onclick="openCity(event, 'Tokyo')">Tokyo</button>
    </div>
    
    <div id="LondonC" class="tabcontent active">
        <h3>London</h3>
        <p>London is the capital city of England.</p>
    </div>
    
    <div id="ParisC" class="tabcontent not-active">
        <h3>Paris</h3>
        <p>Paris is the capital of France.</p>
    </div>
    
    <div id="TokyoC" class="tabcontent not-active">
        <h3>Tokyo</h3>
        <p>Tokyo is the capital of Japan.</p>
    </div>
    <button id="nBtn" onclick="nextTab()">Next</button>
    
    </body>
    </html>