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/*! is.js
(c) 2001 Douglas Crockford
2001 June 3
*/
// is
// The -is- object is used to identify the browser. Every browser edition
// identifies itself, but there is no standard way of doing it, and some of
// the identification is deceptive. This is because the authors of web
// browsers are liars. For example, Microsoft's IE browsers claim to be
// Mozilla 4. Netscape 6 claims to be version 5.
var is = {
ie: navigator.appName == 'Microsoft Internet Explorer',
java: navigator.javaEnabled(),
ns: navigator.appName == 'Netscape',
ua: navigator.userAgent.toLowerCase(),
version: parseFloat(navigator.appVersion.substr(21)) ||
parseFloat(navigator.appVersion),
win: navigator.platform == 'Win32'
}
/*!*
* preserve this comment, too
*/
is.mac = is.ua.indexOf('mac') >= 0;
if (is.ua.indexOf('opera') >= 0) {
is.ie = is.ns = false;
is.opera = true;
}
if (is.ua.indexOf('gecko') >= 0) {
is.ie = is.ns = false;
is.gecko = true;
}
/*@cc_on
/*@if (@_win32)
if (is.ie && is.win)
document.write("PASS: IE/win honored conditional comment.<br>");
@else @*/
if (is.ie && is.win)
document.write("FAIL: IE/win did not honor multi-line conditional comment.<br>");
else
document.write("PASS: Non-IE/win browser ignores multi-line conditional comment.<br>");
/*@end
@*/
var recognizesCondComm = true;
//@cc_on/*
recognizesCondComm = false;
//@cc_on*/
if ((is.ie && is.win) == recognizesCondComm)
document.write("PASS: IE/win honored single-line conditional comment.<br>");
else
document.write("FAIL: Non-IE/win browser did not ignore single-line conditional comment.<br>");
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