Dhibaatada ugu weyn ee daalacashada daalacashada ayaa ah in daalacashada kala duwan ay leeyihiin awoodo kala duwan. Tusaale ahaan, Internet Explorer 8 iyo ka horba ma taageeraan curiyaha canvas, markaa curiyaha shiraac lama ogaan doono.
if (navigator.userAgent.indexOf("Chrome") != -1) {
// do something
}
Koodhka ayaa hubinaya haddii isticmaaluhu uu isticmaalayo biraawsarkaaga Chrome-ka. Haddi ay jiraan, koodhka ku jira xargaha curyaanka ah ayaa shaqayn doona.
Sida loo ogaado de browser
Ma jirto jawaab hal-cabbir ah oo ku habboon-dhammaan su'aashan, maadaama habka ugu wanaagsan ee lagu ogaan karo browser-ka JavaScript ay ku xiran tahay baahida gaarka ah ee codsigaaga. Si kastaba ha ahaatee, qaar ka mid ah hababka caanka ah ee lagu ogaanayo daalacashada waxaa ka mid ah isticmaalka maktabadaha ogaanshaha browserka sida Modernizr ama webpagetest, hubinta joogitaanka sifooyinka browserka qaarkood sida HTML5 Canvas ama Web Audio, ama isticmaalka sheyga navigator si loo waydiiyo macluumaadka isticmaalaha sida nidaamka hawlgalka iyo nooca browserka.
daalacashada ugu weyn
Waxaa jira browsers badan oo taageera JavaScript. Daalacashada ugu caansan waa Google Chrome, Mozilla Firefox, iyo Internet Explorer.
