Expandable Search Bar

by Venkatesh Dematti

HTML

<!DOCTYPE html>
<!--Code By Webdevtrick ( https://webdevtrick.com )-->
<html lang="en" >
<head>
  <meta charset="UTF-8">
  <title>Expanding Search Bar | Webdevtrick.com</title>

  <link href="https://stackpath.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet">


</head>
<body>

<div class="container">
    <form class="searchbox">
        <input type="search" placeholder="Search......" name="search" class="searchbox-input" onkeyup="buttonUp();" required>
        <input type="submit" class="searchbox-submit" value="GO">
        <span class="searchbox-icon"><i class="fa fa-search" aria-hidden="true"></i></span>
    </form>
</div>

<script src='https://cdnjs.cloudflare.com/ajax/libs/jquery/2.1.3/jquery.min.js'></script>
<script  src="function.js"></script>

</body>
</html>

CSS

/* Code By Webdevtrick ( https://webdevtrick.com ) */
body{
    background: #e8eaed;
}
.container{
    max-width: 600px;
    margin: 50px auto;
}
.searchbox{
    position: relative;
    min-width: 50px;
    width: 0%;
    height: 50px;
    float: right;
    overflow: hidden;
    -webkit-transition: width 0.3s;
    -moz-transition: width 0.3s;
    -ms-transition: width 0.3s;
    -o-transition: width 0.3s;
    transition: width 0.3s;
}
.searchbox-input{
    top: 0;
    right: 0;
    border: 0;
    outline: 0;
    background: #212121;
    width: 100%;
    height: 50px;
    margin: 0;
    padding: 0px 55px 0px 20px;
    font-size: 20px;
    color: #ff4e4e;
}
.searchbox-input::-webkit-input-placeholder {
    color: #d74b4b;
}
.searchbox-input:-moz-placeholder {
    color: #d74b4b;
}
.searchbox-input::-moz-placeholder {
    color: #d74b4b;
}
.searchbox-input:-ms-input-placeholder {
    color: #d74b4b;
}
.searchbox-icon,
.searchbox-submit{
    width:50px;
    height:50px;
    display:block;
    position:absolute;
    top:0;
    font-family:verdana;
    font-size:22px;
    right:0;
    padding:0;
    margin:0;
    border:0;
    outline:0;
    line-height:50px;
    text-align:center;
    cursor:pointer;
    color:#fff;
    background:#172b3c;
    border-left: 1px solid white;
}
.searchbox-open{
    width:100%;
}

JavaScript

// Code By Webdevtrick ( https://webdevtrick.com )
  $(document).ready(function(){
            var submitIcon = $('.searchbox-icon');
            var inputBox = $('.searchbox-input');
            var searchBox = $('.searchbox');
            var isOpen = false;
            submitIcon.click(function(){
                if(isOpen == false){
                    searchBox.addClass('searchbox-open');
                    inputBox.focus();
                    isOpen = true;
                } else {
                    searchBox.removeClass('searchbox-open');
                    inputBox.focusout();
                    isOpen = false;
                }
            });  
             submitIcon.mouseup(function(){
                    return false;
                });
            searchBox.mouseup(function(){
                    return false;
                });
            $(document).mouseup(function(){
                    if(isOpen == true){
                        $('.searchbox-icon').css('display','block');
                        submitIcon.click();
                    }
                });
        });
            function buttonUp(){
                var inputVal = $('.searchbox-input').val();
                inputVal = $.trim(inputVal).length;
                if( inputVal !== 0){
                    $('.searchbox-icon').css('display','none');
                } else {
                    $('.searchbox-input').val('');
                    $('.searchbox-icon').css('display','block');
                }
            }