How TO - Portfolio Gallery with Filtering

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Learn how to create a portfolio gallery with filtering.

My Portfolio

Click on the buttons to filter a category:

Mountains

Lorem ipsum dolor..

Lights

Lorem ipsum dolor..

Forest

Lorem ipsum dolor..

Retro

Lorem ipsum dolor..

Fast

Lorem ipsum dolor..

Classic

Lorem ipsum dolor..

Girl

Lorem ipsum dolor..

Man

Lorem ipsum dolor..

Woman

Lorem ipsum dolor..

Try it Yourself »

How To Create a Portfolio Website

Step 1) Add HTML:

Example

<h2>PORTFOLIO</h2>
<div id="myBtnContainer">
<button class="btn active" onclick="filterSelection('all')"> Show all</button>
<button class="btn" onclick="filterSelection('nature')"> Nature</button>
<button class="btn" onclick="filterSelection('cars')"> Cars</button>
<button class="btn" onclick="filterSelection('people')"> People</button>
</div>


<div class="row">
<div class="column nature">
    <div class="content">
      <img src="/w3images/mountains.jpg" alt="Mountains" style="width:100%">
      <h4>Mountains</h4>
      <p>Lorem ipsum dolor..</p>
    </div>
</div>
<div class="column nature">
    <div class="content">
      <img src="/w3images/lights.jpg" alt="Lights" style="width:100%">
      <h4>Lights</h4>
      <p>Lorem ipsum dolor..</p>
    </div>
</div>
<div class="column nature">
    <div class="content">
      <img src="/w3images/nature.jpg" alt="Nature" style="width:100%">
      <h4>Forest</h4>
      <p>Lorem ipsum dolor..</p>
    </div>
</div>

<div class="column cars">
    <div class="content">
      <img src="/w3images/cars1.jpg" alt="Car" style="width:100%">
      <h4>Retro</h4>
      <p>Lorem ipsum dolor..</p>
    </div>
</div>
<div class="column cars">
    <div class="content">
      <img src="/w3images/cars2.jpg" alt="Car" style="width:100%">
      <h4>Fast</h4>
      <p>Lorem ipsum dolor..</p>
    </div>
</div>
<div class="column cars">
    <div class="content">
      <img src="/w3images/cars3.jpg" alt="Car" style="width:100%">
      <h4>Classic</h4>
      <p>Lorem ipsum dolor..</p>
    </div>
</div>

<div class="column people">
    <div class="content">
      <img src="/w3images/people1.jpg" alt="People" style="width:100%">
      <h4>Girl</h4>
      <p>Lorem ipsum dolor..</p>
    </div>
</div>
<div class="column people">
    <div class="content">
      <img src="/w3images/people2.jpg" alt="People" style="width:100%">
      <h4>Man</h4>
      <p>Lorem ipsum dolor..</p>
    </div>
</div>
<div class="column people">
    <div class="content">
      <img src="/w3images/people3.jpg" alt="People" style="width:100%">
      <h4>Woman</h4>
      <p>Lorem ipsum dolor..</p>
    </div>
</div>

</div>

Step 2) Add CSS:

Example

* {
box-sizing: border-box;
}

body {
background-color: #f1f1f1;
padding: 20px;
  font-family: Arial;
}

/* Center website */
.main {
  max-width: 1000px;
margin: auto;
}

h1 {
font-size: 50px;
word-break: break-all;
}

.row {
  margin: 8px -16px;
}

/* Add padding BETWEEN each column (if you want) */
.row,
.row > .column {
padding: 8px;
}

/* Create three equal columns that floats next to each other */
.column {
  float: left;
width: 33.33%;
display: none; /* Hide columns by default */
}

/* Clear floats after rows */
.row:after {
  content: "";
  display: table;
clear: both;
}

/* Content */
.content {
background-color: white;
padding: 10px;
}

/* The "show" class is added to the filtered elements */
.show {
display: block;
}

/* Style the buttons */
.btn {
border: none;
outline: none;
padding: 12px 16px;
background-color: white;
cursor: pointer;
}

/* Add a grey background color on mouse-over */
.btn:hover {
background-color: #ddd;
}

/* Add a dark background color to the active button */
.btn.active {
background-color: #666;
   color: white;
}

Step 3) Add JavaScript:

Example

filterSelection("all") // Execute the function and show all columns
function filterSelection(c) {
var x, i;
x = document.getElementsByClassName("column");
if (c == "all") c = "";
// Add the "show" class (display:block) to the filtered elements, and remove the "show" class from the elements that are not selected
for (i = 0; i < x.length; i++) {
    w3RemoveClass(x[i], "show");
    if (x[i].className.indexOf(c) > -1) w3AddClass(x[i], "show");
}
}

// Show filtered elements
function w3AddClass(element, name) {
var i, arr1, arr2;
arr1 = element.className.split(" ");
arr2 = name.split(" ");
for (i = 0; i < arr2.length; i++) {
    if (arr1.indexOf(arr2[i]) == -1) {
      element.className += " " + arr2[i];
    }
}
}

// Hide elements that are not selected
function w3RemoveClass(element, name) {
var i, arr1, arr2;
arr1 = element.className.split(" ");
arr2 = name.split(" ");
for (i = 0; i < arr2.length; i++) {
    while (arr1.indexOf(arr2[i]) > -1) {
      arr1.splice(arr1.indexOf(arr2[i]), 1);
    }
}
element.className = arr1.join(" ");
}

// Add active class to the current button (highlight it)
var btnContainer = document.getElementById("myBtnContainer");
var btns = btnContainer.getElementsByClassName("btn");
for (var i = 0; i < btns.length; i++) {
btns[i].addEventListener("click", function(){
    var current = document.getElementsByClassName("active");
    current[0].className = current[0].className.replace(" active", "");
    this.className += " active";
});
}

Try it Yourself »

Tip: Also check out Portfolio Gallery

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