Autocomplete in HTML5

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mikethedj4
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Autocomplete in HTML5
mikethedj4
Try the demo out - http://jsbin.com/ezANAco/1/edit

Here's something I came across the other day while searching the W3C website while I was looking for an alternative to JQuery UI's Autocomplete feature.

The HTML:
Code: Select all
<input class="font-family" type="text" list="f-f-prop">
<datalist id="f-f-prop">
  <option value="serif"></option>
  <option value="sans"></option>
  <option value="arial"></option>
  <option value="arial black"></option>
  <option value="courier"></option>
  <option value="comic sans ms"></option>
  <option value="helvetica"></option>
  <option value="impact"></option>
  <option value="lucida sans"></option>
  <option value="tahoma"></option>
  <option value="times new roman"></option>
  <option value="verdana"></option>
</datalist>
The JQuery/Javascript:

The say something input is pretty simple we use an on keyup/change event that if the text is equal to whatever we set our function to (which I show in a datalist shown above) it'll call whatever we want within our function after the text value is equal to our function. (hopefully that didn't sound to complicated)

NOTE it's important to remember that change is triggered when the input type is not focused if it is it can not detect a change until focus is off. This is the prime reason why almost all web based text editors use code mirroring methods like Ace, CodeMirror, & Orion. Some popular apps that use these libraries are Google Apps Script, Adobe Edge Code, & the Cloud9IDE

Here's how we detect the text in our textbox and if the text is equal to what we want we then can tell it what to do. In our case we're just going to say hello.
Code: Select all
$('.talk').on('keyup change', function() {
  if($(this).val() === 'Say Hi') {
    alert('Ello Mate!');
  }
});
I also have included another function so you can choose between the fonts listed in the datalist to change the body's font. You can also use another font not listed in the data list if it's installed on your machine, but you can not link to other fonts.

Enjoy!

Here's the full code:
Code: Select all
<!DOCTYPE html>
<html>
<head>
<title>AutoComplete Example</title>
<meta charset='utf-8'>
<meta name='viewport' content='initial-scale=1.0'>
<script type='text/javascript' src='http://code.jquery.com/jquery-1.9.1.min.js'></script>
<style type='text/css'>
body {
  padding: 2em 0;
  color: #024;
  background: #48f;
}

div { top:0; left:0; }
.talk { width: 100%; border: 0; }

footer, div {
  position:fixed;
  right:0;
  height: auto;
  padding: .3em;
  background: #024;
}

footer {
  bottom:0; left:0;
  text-align: center;
  color: #ccc;
}
</style>
<script type='text/javascript'>
$(document).ready(function() {
  $('.font-family').on('keyup change', function() {
    $('body').css('font-family', $(this).val());
  });
  
  $('.talk').on('keyup change', function() {
    var val = $(this).val();
    
    if(val === 'Say Hi') {
      alert('Ello Mate!');
    }
    
    if(val === 'Say Bye') {
      alert('Bye Bye');
    }
    
    if(val === 'Clear') {
      $(this).val('');
    }
  });
});
</script>
</head>
<body>
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  <div>
    <input type="text" class="talk" list="talk" placeholder="Say something...">
    <datalist id="talk">
      <option value="Say Hi">
      <option value="Say Bye">
      <option value="Clear">
      </datalist>
  </div>
  
  <footer>
    font-family: 
    <input class="font-family" type="text" list="f-f-prop">
    <datalist id="f-f-prop">
      <option value="serif"></option>
      <option value="sans"></option>
      <option value="arial"></option>
      <option value="arial black"></option>
      <option value="courier"></option>
      <option value="comic sans ms"></option>
      <option value="helvetica"></option>
      <option value="impact"></option>
      <option value="lucida sans"></option>
      <option value="tahoma"></option>
      <option value="times new roman"></option>
      <option value="verdana"></option>
    </datalist>
  </footer>
</body>
</html>
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Dummy1912
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Joined: Sat Aug 21, 2010 2:17 pm

Re: Autocomplete in HTML5
Dummy1912
:lol: he spoke to me :P :lol:
nice work #mikethedj4
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User avatar
mikethedj4
VIP - Site Partner
VIP - Site Partner
Posts: 2592
Joined: Thu Mar 25, 2010 4:36 am

Re: Autocomplete in HTML5
mikethedj4
Thanks don't forget to +rep
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