in salesforce/canvas/public/javascripts/canvas-all.js [732:748]
function instanceUrl(i) {
if (arguments.length === 0) {
if (!$$.isNil(instUrl)) {
return instUrl;
}
instUrl = storage.get('instance_url');
} else {
if (i === null) {
storage.remove('instance_url');
instUrl = null;
} else {
storage.set('instance_url', i);
instUrl = i;
}
}
return instUrl;
}