if(navigator.userAgent.match(/Mobile|Windows Phone|Lumia|Android|webOS|iPhone|iPod|Blackberry|PlayBook|BB10|Opera Mini|\bCrMo\/|Opera Mobi/i)){console.log('Mobile Stuff...');};if(navigator.userAgent.match(/Tablet|iPad/i)){console.log('Tablet Stuff...');};if(!navigator.userAgent.match(/Mobile|Windows Phone|Lumia|Android|webOS|iPhone|iPod|Blackberry|PlayBook|BB10|Opera Mini|\bCrMo\/|Opera Mobi|Tablet|iPad/i)){console.log('Desktop Stuff...');};console.log("header js");