1. home
  2. Tutorials
  3. Tutorial
Edit

Typeahead

The typeahead input fields is very useful in modern web forms. It is a way to improve the user experience by supplying hints or a list of possible choices based on the text they've entered while filling a form or searching something. The best example of the typeahead is the Google search.

Example of Code

<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
<title>Creating Twitter Typeahead using Local Data</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script  type="text/javascript" src="https://github.com/twitter/typeahead.js"></script>
<script type="text/javascript">
$(document).ready(function(){
    // Defining the local dataset
    var cars = ['Audi', 'BMW', 'Bugatti', 'Ferrari', 'Ford', 'Lamborghini', 'Mercedes Benz', 'Porsche', 'Rolls-Royce', 'Volkswagen'];
    // Constructing the suggestion engine
    var cars = new Bloodhound({
        datumTokenizer: Bloodhound.tokenizers.whitespace,
        queryTokenizer: Bloodhound.tokenizers.whitespace,
        local: cars
    });
    // Initializing the typeahead
    $('.typeahead').typeahead({
        hint: true,
        highlight: true, /* Enable substring highlighting */
        minLength: 1 /* Specify minimum characters required for showing result */
    },
    {
        name: 'cars',
        source: cars
    });
});  
</script>
<style type="text/css">
.prettyprint .bs-example {
    font-family: sans-serif;
    position: relative;
    margin: 100px;
}
.prettyprint .typeahead, .tt-query, .tt-hint {
    border: 2px solid #CCCCCC;
    border-radius: 8px;
    font-size: 22px; /* Set input font size */
    height: 30px;
    line-height: 30px;
    outline: medium none;
    padding: 8px 12px;
    width: 396px;
}
.prettyprint .typeahead {
    background-color: #FFFFFF;
}
.prettyprint .typeahead:focus {
    border: 2px solid #0097CF;
}
.prettyprint .tt-query {
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.075) inset;
}
.prettyprint .tt-hint {
    color: #999999;
}
.prettyprint .tt-menu {
    background-color: #FFFFFF;
    border: 1px solid rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
    margin-top: 12px;
    padding: 8px 0;
    width: 422px;
}
.prettyprint .tt-suggestion {
    font-size: 22px;  /* Set suggestion dropdown font size */
    padding: 3px 20px;
}
.prettyprint .tt-suggestion:hover {
    cursor: pointer;
    background-color: #0097CF;
    color: #FFFFFF;
}
.prettyprint .tt-suggestion p {
    margin: 0;
}
</style>
</head>
<body>
    <div class="bs-example">
        <h2>Type your favorite car name</h2>
        <input type="text" class="typeahead tt-query" autocomplete="off" spellcheck="false">
    </div>
</body>
</html>

Output

Creating Twitter Typeahead using Local Data

Type your favorite car name