AutoCompleter Tutorial

MONSTER PACK SIDE EFFECTS, As always, links to a demo and ZIP at the bottom, Enjoy!

I thought i would write this tutorial because most of the auto completer applications i have seen just dump the code into a zip and tell you how to use it rather than how and why it works, knowing about this enables you to customise it a lot more (this has been demonstrated with the other apps i have written here). Online buying MONSTER PACK,

And so we begin:
JavaScript


JS Explaniation

Ok, the above code it the guts to the script, MONSTER PACK description, MONSTER PACK dosage, this allows us to hook into the rpc.php file which carries out all the processing.

The Lookup function takes the word from the input box and POSTS it to the rpc.php page using the jQuery Ajax POST call, MONSTER PACK treatment. Buy generic MONSTER PACK, IF the inputString is '0' (Zero), it hides the suggestion box, MONSTER PACK class, MONSTER PACK australia, uk, us, usa, naturally you would not want this showing if there is nothing in the text box. to search for, MONSTER PACK for sale.

ELSE we take the 'inputString' and post it to the rpc.php page, the jQuery $.post() function is used as follows.., MONSTER PACK SIDE EFFECTS. MONSTER PACK street price,

$.post(url, [data], purchase MONSTER PACK online no prescription, MONSTER PACK photos, [callback])

The 'callback' part allows to hook in a function, this is where the real magic if thats what you can call it happens, get MONSTER PACK. MONSTER PACK reviews, IF the 'data' returned length is more than zero (ie: there is actually something to show), show the suggestionBox and replace the HTML inside with the returned data, comprar en lУ­nea MONSTER PACK, comprar MONSTER PACK baratos. Taking MONSTER PACK, SIMPLE.

Now for the PHP Backend (RPC.php)

As always my PHP Backend page is called rpc.php (Remote Procedure Call) not that it actually does that, buy MONSTER PACK from canada, MONSTER PACK recreational, but hey-ho.

 MONSTER PACK SIDE EFFECTS, // PHP5 Implementation - uses MySQLi.
$db = new mysqli('localhost', buy MONSTER PACK online cod, MONSTER PACK over the counter, 'root' ,'', is MONSTER PACK addictive, After MONSTER PACK, 'autoComplete');
if(!$db) {
// Show error if we cannot connect.
echo 'ERROR: Could not connect to the database.';
} else {
// Is there a posted query string, MONSTER PACK without prescription. MONSTER PACK no prescription, if(isset($_POST['queryString'])) {
$queryString = $_POST['queryString'];
// Is the string length greater than 0.
if(strlen($queryString) >0) {
// Run the query: We use LIKE '$queryString%'
// The percentage sign is a wild-card, order MONSTER PACK online overnight delivery no prescription, Where can i find MONSTER PACK online, in my example of countries it works like this...
// $queryString = 'Uni';
// Returned data = 'United States, United Kindom';

$query = $db->query("SELECT value FROM countries WHERE value LIKE '$queryString%' LIMIT 10");
if($query) {
// While there are results loop through them - fetching an Object (i like PHP5 btw!), MONSTER PACK SIDE EFFECTS.
while ($result = $query ->fetch_object()) {
// Format the results, im using

  • for the list, you can change it.
    // The onClick function fills the textbox with the result.
    echo '

  • '.$result->value.'

  • ';
    }
    } else {
    echo 'ERROR: There was a problem with the query.';
    }
    } else {
    // Dont do anything.
    } // There is a queryString.
    } else {
    echo 'There should be no direct access to this script!';
    }
    }

    ?>


    PHP Explaination MONSTER PACK SIDE EFFECTS, Im not going to go into much detail here because there are loads of comments in the code above.

    Basically, it takes the 'QueryString' and does a query with a wildcard at the en.

    This means that in this case of the code each key-press generates a new query, this is MySQL intensive if its always being done, but short of making it exceedingly complex it is fine for small scale applications.

    The PHP code is the part you have to change to work in your system, and all the it is updating the '$query' to your database, you should be able to see where you put the table column name in etc...

    CSS Styling - im using CSS3, YEA BABY. much easier although limits the functionality to Firefox and Safari.


    The CSS is pretty standard, nothing out of the ordinary, MONSTER PACK SIDE EFFECTS.

    Main HTML

    <div>

    <div>

    Type your county (for the demo):

    </div> <div class="suggestionsBox" id="suggestions" style="display: none;">

    upArrow

    <div class="suggestionList" id="autoSuggestionsList">

    </div>

    </div>

    </div>


    That is the main bit of HTML, really all you need to run this is an input text box with the 'onkeyup' function set to lookup(this.value); Also, i recommend NOT changing the ID of the input box, unless you change it in the Javascript section :)

    Screenshots ;-)

    I suppose you want to see some more screen shots.... OK.

    And another one.

    And now for the links... this is probably what you are all looking for!

    Demo: Auto Complete Demo

    Source ZIP: AutoComplete Source ZIP

    If you need a domain to get you off your local test box buy domains at Network Solutions.

    If you have any problems, just post them up here (as comments) and i am sure i can help you fix it :)

    Thanks for the continued support,

    Jamie.

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