PHPBuilder - Remote Scripting with Javascript, IFrames and PHP Page 8



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Remote Scripting with Javascript, IFrames and PHP - Page 8

by: David Vance
|
May 10, 2004

The function takes the string created and passed by searchServer.php, decodes it, tests it for validity, and transforms it to an array using this Javascript:

<?php
function arrayFromStringsdelim )
{
    var 
= (delim == null) ? '|' delim;
    return 
s.split(d);
}

?>
Back to handleResponse(), the array of names is next transformed into Option tags, inserted into a Select List, and the list placed in the HTML document using innerHTML. (The getOBJ() function merely uses getElementById() to fetch the specified element.)
And that is it. The user now has a dynamic drop down list wherein they can find and select the appropriate value for futher processing. Amazingly, even though it is done on every keystroke (after 2), it is surprisingly fast. Also, with 60,000+ records, even a subset of records can be quite large, but I've run into no problems with the string being too large to pass through Javascript.

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