웹브라우저 종류 알아내기 userAgent

스크립트 navigator 객체를 이용한 브라우저 정보 확인

<script type="text/javascript">

function chkBrowser(){

var nowBrowser = "none";

var userAgent = navigator.userAgent;

userAgent = userAgent.toLowerCase();

document.write(userAgent); 

if (userAgent.indexOf("msie") > -1){ nowBrowser = "ie";}

mozilla/5.0 (compatible; msie 9.0; windows nt 6.1; wow64; trident/5.0; slcc2; .net clr 2.0.50727; .net clr 3.5.30729; .net clr 3.0.30729; media center pc 6.0; .net4.0c)

//크롬 먼저 확인 크롬은 chrome/20.0.1132.57 safari/536.11 같이 정보를 담고있기때문에

else if(userAgent.indexOf("chrome") > -1){ nowBrowser = "chrome";}

mozilla/5.0 (windows nt 6.1; wow64) applewebkit/536.11 (khtml, like gecko) chrome/20.0.1132.57 safari/536.11

else if(userAgent.indexOf("safari") > -1){ nowBrowser = "safari";}

mozilla/5.0 (windows nt 6.1; wow64) applewebkit/534.57.2 (khtml, like gecko) version/5.1.7 safari/534.57.2

else if(userAgent.indexOf("firefox") > -1){ nowBrowser = "firefox";}

mozilla/5.0 (windows nt 6.1; wow64; rv:13.0) gecko/20100101 firefox/13.0.1

else if(userAgent.indexOf("opera") > -1){ nowBrowser = "opera";}

opera/9.80 (windows nt 6.1; wow64; u; ko) presto/2.10.289 version/12.00

return  nowBrowser ;

//document.write("<br>"); 

//document.write(nowBrowser); 

alert(chkBrowser());

</script>