Javascript checkExists

function checkExists(myVar) {

 if (typeof myVar === 'undefined')  { return false;  }
 if ( myVar === null ) { return false;  }
 if ( myVar.length == 0) { return false; } 
 
 return true;
 
}

MYSQL Query for Timestamp Age in Hours

SELECT `route_id` FROM `route` where `is_active`=1
AND TIMESTAMPDIFF(HOUR,`dt_update`,CURRENT_TIMESTAMP())< 48;

Javascript misterClean string cleaner

function misterClean(x) {
   x = x.replace(/^\s+|\s+$/gm,''); // remove end whitespace
   x = x.replace(/(\r\n|\n|\r)/gm,""); // remove line breaks
   return x;
}