How to create custom select boxes with CSS and JavaScript?

CSSWeb DevelopmentFront End TechnologyJavascript

To create custom select boxes with CSS and JavaScript, the code is as follows −

Example

 Live Demo

<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<style>
   .customSelect {
      position: relative;
      font-family: Arial, Helvetica, sans-serif;
   }
   .customSelect select {
      display: none;
   }
   .select-selected {
      background-color: rgb(78, 11, 122);
   }
   .select-selected:after {
      position: absolute;
      content: "";
      top: 14px;
      right: 10px;
      width: 0;
      height: 0;
      border: 6px solid transparent;
      border-color: #fff transparent transparent transparent;
   }
   .select-selected.select-arrow-active:after {
      border-color: transparent transparent #fff transparent;
      top: 7px;
   }
   .select-items div, .select-selected {
      color: #ffffff;
      padding: 8px 16px;
      border: 1px solid transparent;
      cursor: pointer;
      user-select: none;
   }
   .select-items {
      position: absolute;
      background-color: rgb(138, 29, 148);
      top: 100%;
      left: 0;
      right: 0;
      z-index: 99;
   }
   .select-hide {
      display: none;
   }
   .select-items div:hover, .sameSelected {
      background-color: rgba(0, 0, 0, 0.1);
   }
</style>
</head>
<body>
<h1>Custom Select Example</h1>
<div class="customSelect" style="width:200px;">
<select>
<option value="0">Select Animal:</option>
<option value="Giraffe">Giraffe</option>
<option value="Lion">Lion</option>
<option value="Cow">Cow</option>
<option value="Dog">Dog</option>
<option value="Tiger">Tiger</option>
</select>
</div>
<script>
   var customSelectEle, i, j, selElmnt, divEle, divEleSelected, c;
   customSelectEle = document.querySelector(".customSelect");
   selElmnt = customSelectEle.getElementsByTagName("select")[0];
   divEle = document.createElement("DIV");
   divEle.setAttribute("class", "select-selected");
   divEle.innerHTML = selElmnt.options[selElmnt.selectedIndex].innerHTML;
   customSelectEle.appendChild(divEle);
   divEleSelected = document.createElement("DIV");
   divEleSelected.setAttribute("class", "select-items select-hide");
   Array.from(selElmnt).forEach((item, index) => {
      c = document.createElement("DIV");
      c.innerHTML = selElmnt.options[index].innerHTML;
      c.addEventListener("click", function(e) {
         var y, i, k, selEleParent, selEleSibling;
         selEleParent = this.parentNode.parentNode.getElementsByTagName( "select" )[0];
         selEleSibling = this.parentNode.previousSibling;
         for (i = 0; i < selEleParent.length; i++) {
            if (selEleParent.options[i].innerHTML == this.innerHTML) {
               selEleParent.selectedIndex = i;
               selEleSibling.innerHTML = this.innerHTML;
               y = this.parentNode.getElementsByClassName("sameSelected");
               for (k = 0; k < y.length; k++) {
                  y[k].removeAttribute("class");
               }
               this.setAttribute("class", "sameSelected");
               break;
            }
         }
         selEleSibling.click();
      });
      divEleSelected.appendChild(c);
   });
   customSelectEle.appendChild(divEleSelected);
   divEle.addEventListener("click", function(e) {
      e.stopPropagation();
      closeSelect(this);
      this.nextSibling.classList.toggle("select-hide");
      this.classList.toggle("select-arrow-active");
   });
   function closeSelect(elmnt) {
      var customSelectEle,
      y,
      i,
      arrNo = [];
      customSelectEle = document.getElementsByClassName("select-items");
      y = document.getElementsByClassName("select-selected");
      for (i = 0; i < y.length; i++) {
         if (elmnt == y[i]) {
            arrNo.push(i);
         }
         else {
            y[i].classList.remove("select-arrow-active");
         }
      }
      for (i = 0; i < customSelectEle.length; i++) {
         if (arrNo.indexOf(i)) {
            customSelectEle[i].classList.add("select-hide");
         }
      }
   }
   document.addEventListener("click", closeSelect);
</script>
</body>
</html>

Output

The above code will produce the following output −

On clicking the select menu, the menu will open as follows −

raja
Published on 06-May-2020 13:19:00
Advertisements