Custom-select-dropdown-CSS+JS

custom-select-dropdown-css-js.markdown

Custom-select-dropdown-CSS+JS

A Pen by FridayCandour on CodePen.

License.

index.html

<div class="custom-select">
  <button
    class="select-button"
    role="combobox"
    aria-labelledby="select button"
    aria-haspopup="listbox"
    aria-expanded="false"
    aria-controls="select-dropdown"
  >
    <span class="selected-value">Open this select menu</span>
    <span class="arrow"></span>
  </button>
  <ul class="select-dropdown" role="listbox" id="select-dropdown">
    <li role="option">
      <input type="radio" id="github" name="social-account" />
      <label for="github"><i class="bx bxl-github"></i>GitHub</label>
    </li>
    <li role="option">
      <input type="radio" id="instagram" name="social-account" />
      <label for="instagram"
        ><i class="bx bxl-instagram"></i>Instagram</label
      >
    </li>
    <li role="option">
      <input type="radio" id="facebook" name="social-account" />
      <label for="facebook"
        ><i class="bx bxl-facebook-circle"></i>Facebook</label
      >
    </li>
    <li role="option">
      <input type="radio" id="linkedIn" name="social-account" />
      <label for="linkedIn"
        ><i class="bx bxl-linkedin-square"></i>LinkedIn</label
      >
    </li>
    <li role="option">
      <input type="radio" id="twitter" name="social-account" />
      <label for="twitter"><i class="bx bxl-twitter"></i>Twitter</label>
    </li>
    <li role="option">
      <input type="radio" id="reddit" name="social-account" />
      <label for="reddit"><i class="bx bxl-reddit"></i>Reddit</label>
    </li>
  </ul>
</div>

<link  href="https://unpkg.com/[email protected]/css/boxicons.min.css" rel="stylesheet"
/>

script.js

const customSelect = document.querySelector(".custom-select");
const selectBtn = document.querySelector(".select-button");

const selectedValue = document.querySelector(".selected-value");
const optionsList = document.querySelectorAll(".select-dropdown li");

// add click event to select button
selectBtn.addEventListener("click", () => {
  // add/remove active class on the container element
  customSelect.classList.toggle("active");
  // update the aria-expanded attribute based on the current state
  selectBtn.setAttribute(
    "aria-expanded",
    selectBtn.getAttribute("aria-expanded") === "true" ? "false" : "true"
  );
});

optionsList.forEach((option) => {
  function handler(e) {
    // Click Events
    if (e.type === "click" && e.clientX !== 0 && e.clientY !== 0) {
      selectedValue.textContent = this.children[1].textContent;
      customSelect.classList.remove("active");
    }
    // Key Events
    if (e.key === "Enter") {
      selectedValue.textContent = this.textContent;
      customSelect.classList.remove("active");
    }
  }

  option.addEventListener("keyup", handler);
  option.addEventListener("click", handler);
});

style.css

.custom-select {
  position: relative;
  width: 400px;
  max-width: 100%;
  font-size: 1.15rem;
  color: #000;
  margin-top: 3rem;
}

.select-button {
  width: 100%;
  font-size: 1.15rem;
  background-color: #fff;
  padding: 0.675em 1em;
  border: 1px solid #caced1;
  border-radius: 0.25rem;
  cursor: pointer;

  display: flex;
  justify-content: space-between;
  align-items: center;
}

.selected-value {
  text-align: left;
}

.arrow {
  border-left: 5px solid transparent;
  border-right: 5px solid transparent;
  border-top: 6px solid #000;
  transition: transform ease-in-out 0.3s;
}

.select-dropdown {
  position: absolute;
  list-style: none;
  width: 100%;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  background-color: #fff;
  border: 1px solid #caced1;
  border-radius: 4px;
  padding: 10px;
  margin-top: 10px;
  max-height: 200px;
  overflow-y: auto;
  transition: 0.5s ease;

  transform: scaleY(0);
  opacity: 0;
  visibility: hidden;
}

.select-dropdown:focus-within {
  box-shadow: 0 10px 25px rgba(94, 108, 233, 0.6);
}

.select-dropdown li {
  position: relative;
  cursor: pointer;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.select-dropdown li label {
  width: 100%;
  padding: 8px 10px;
  cursor: pointer;
  display: flex;
  gap: 1rem;
  align-items: center;
}

.select-dropdown::-webkit-scrollbar {
  width: 7px;
}
.select-dropdown::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 25px;
}

.select-dropdown::-webkit-scrollbar-thumb {
  background: #ccc;
  border-radius: 25px;
}

.select-dropdown li:hover,
.select-dropdown input:checked ~ label {
  background-color: #f2f2f2;
}

.select-dropdown input:focus ~ label {
  background-color: #dfdfdf;
}

.select-dropdown input[type="radio"] {
  position: absolute;
  left: 0;
  opacity: 0;
}

/* interactivity */

.custom-select.active .arrow {
  transform: rotate(180deg);
}

.custom-select.active .select-dropdown {
  opacity: 1;
  visibility: visible;
  transform: scaleY(1);
}

/*=============
Aesthetics 
=========================*/

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
}