<& /elements/xmlhttp.html,
url => $p . 'misc/xmlhttp-reason-hint.html',
subs => [ 'get_hint' ],
+ skip_empty => 1,
&>
<SCRIPT TYPE="text/javascript">
function <% $id %>_changed() {
'subs' => [ 'subroutine' ],
# optional
- 'method' => 'GET', #defaults to GET, could specify POST
- 'key' => 'unique', #unique key
+ 'method' => 'GET', # defaults to GET, could specify POST
+ 'key' => 'unique', # unique key
+ 'skip_empty' => '1', # When the given key value is null or = 0,
+ # skip making a useless http request
);
args = a;
len = args.length - 1;
}
+% if ( $opt{skip_empty} ) {
+ if ( args[0] == 0 || !args[0] ) {
+ return;
+ }
+% }
for (var i = 0; i < len; i++)
content = content + "&arg=" + encodeURIComponent(args[i]);
content = content.replace( /[+]/g, '%2B'); // fix unescaped plus signs