How to Create Search Bar with Autosuggest in HTML, CSS and JavaScript

In this tutorial, we will learn how to create search bar with autosuggest in HTML, CSS and JavaScript

Source Code:

HTML File

        <div class="wrapper">
          <div class="search-input">
            <a href="" target="_blank" hidden></a>
            <input type="text" placeholder="Type to search..">
            <div class="autocom-box">
              <!-- here list are inserted from javascript -->
            </div>
            <div class="icon"><i class="fas fa-search"></i></div>
          </div>
        </div>
        
        <script src="./suggestions.js"></script>
        <script src="./main.js"></script>
      </body>



<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css"/>

CSS File:

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600;700&display=swap');
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Poppins', sans-serif;
}

body{
  background: #0f4ce4;
  padding: 0 20px;
}

::selection{
  color: #fff;
  background: #0f4ce4;
}

.wrapper{
  max-width: 450px;
  margin: 150px auto;
}

.wrapper .search-input{
  background: #fff;
  width: 100%;
  border-radius: 5px;
  position: relative;
  box-shadow: 0px 1px 5px 3px rgba(0,0,0,0.12);
}

.search-input input{
  height: 55px;
  width: 100%;
  outline: none;
  border: none;
  border-radius: 5px;
  padding: 0 60px 0 20px;
  font-size: 18px;
  box-shadow: 0px 1px 5px rgba(0,0,0,0.1);
}

.search-input.active input{
  border-radius: 5px 5px 0 0;
}

.search-input .autocom-box{
  padding: 0;
  opacity: 0;
  pointer-events: none;
  max-height: 280px;
  overflow-y: auto;
}

.search-input.active .autocom-box{
  padding: 10px 8px;
  opacity: 1;
  pointer-events: auto;
}

.autocom-box li{
  list-style: none;
  padding: 8px 12px;
  display: none;
  width: 100%;
  cursor: default;
  border-radius: 3px;
}

.search-input.active .autocom-box li{
  display: block;
}
.autocom-box li:hover{
  background: #efefef;
}

.search-input .icon{
  position: absolute;
  right: 0px;
  top: 0px;
  height: 55px;
  width: 55px;
  text-align: center;
  line-height: 55px;
  font-size: 20px;
  color: #0f4ce4;
  cursor: pointer;
}

JavaScript File:

let suggestions = [
    "Channel",
    "CodeBender",
    "Code Bender",
    "YouTube",
    "YouTuber",
    "YouTube Channel",
    "Blogger",
    "Hollywood",
    "Vlogger",
    "Vechiles",
    "Facebook",
    "Freelancer",
    "Facebook Page",
    "Designer",
    "Developer",
    "Web Designer",
    "Web Developer",
    "Login Form in HTML & CSS",
    "How to learn HTML & CSS",
    "How to learn JavaScript",
    "How to became Freelancer",
    "How to became Web Designer",
    "How to start Gaming Channel",
    "How to start YouTube Channel",
    "What does HTML stands for?",
    "What does CSS stands for?",
];



//Create this file first before writing javascript





// getting all required elements
const searchWrapper = document.querySelector(".search-input");
const inputBox = searchWrapper.querySelector("input");
const suggBox = searchWrapper.querySelector(".autocom-box");
const icon = searchWrapper.querySelector(".icon");
let linkTag = searchWrapper.querySelector("a");
let webLink;

// if user press any key and release
inputBox.onkeyup = (e)=>{
    let userData = e.target.value; //user enetered data
    let emptyArray = [];
    if(userData){
        icon.onclick = ()=>{
            webLink = "https://www.google.com/search?q=" + userData;
            linkTag.setAttribute("href", webLink);
            console.log(webLink);
            linkTag.click();
        }
        emptyArray = suggestions.filter((data)=>{
            //filtering array value and user characters to lowercase and return only those words which are start with user enetered chars
            return data.toLocaleLowerCase().startsWith(userData.toLocaleLowerCase()); 
        });
        emptyArray = emptyArray.map((data)=>{
            // passing return data inside li tag
            return data = '<li>'+ data +'</li>';
        });
        searchWrapper.classList.add("active"); //show autocomplete box
        showSuggestions(emptyArray);
        let allList = suggBox.querySelectorAll("li");
        for (let i = 0; i < allList.length; i++) {
            //adding onclick attribute in all li tag
            allList[i].setAttribute("onclick", "select(this)");
        }
    }else{
        searchWrapper.classList.remove("active"); //hide autocomplete box
    }
}

function select(element){
    let selectData = element.textContent;
    inputBox.value = selectData;
    icon.onclick = ()=>{
        webLink = "https://www.google.com/search?q=" + selectData;
        linkTag.setAttribute("href", webLink);
        linkTag.click();
    }
    searchWrapper.classList.remove("active");
}

function showSuggestions(list){
    let listData;
    if(!list.length){
        userValue = inputBox.value;
        listData = '<li>'+ userValue +'</li>';
    }else{
        listData = list.join('');
    }
    suggBox.innerHTML = listData;
}

Source Code: https://codepen.io/codenameyesse/pen/ZEeomwR
 

#javascript #css #javascript