User:KyoriAsh/OutdatedBrowser.js
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注意:在发布之后,您可能需要清除浏览器缓存才能看到所作出的变更的影响。
- Firefox或Safari:按住Shift的同时单击刷新,或按Ctrl-F5或Ctrl-R(Mac为⌘-R)
- Google Chrome:按Ctrl-Shift-R(Mac为⌘-Shift-R)
- Internet Explorer或Edge:按住Ctrl的同时单击刷新,或按Ctrl-F5
- Opera:按 Ctrl-F5。
/*!--------------------------------------------------------------------
JAVASCRIPT "Outdated Browser"
Version: 1.1.2 - 2015
author: Burocratik
website: http://www.burocratik.com
* @preserve
-----------------------------------------------------------------------*/
var outdatedBrowser = function(options) {
//Variable definition (before ajax)
var outdated = document.getElementById("outdated");
// Default settings
this.defaultOpts = {
bgColor: '#f25648',
color: '#ffffff',
lowerThan: 'transform',
languagePath: ''
};
if (options) {
//assign css3 property to IE browser version
if (options.lowerThan == 'IE8' || options.lowerThan == 'borderSpacing') {
options.lowerThan = 'borderSpacing';
} else if (options.lowerThan == 'IE9' || options.lowerThan == 'boxShadow') {
options.lowerThan = 'boxShadow';
} else if (options.lowerThan == 'IE10' || options.lowerThan == 'transform' || options.lowerThan == '' || typeof options.lowerThan === "undefined") {
options.lowerThan = 'transform';
} else if (options.lowerThan == 'IE11' || options.lowerThan == 'borderImage') {
options.lowerThan = 'borderImage';
}
//all properties
this.defaultOpts.bgColor = options.bgColor;
this.defaultOpts.color = options.color;
this.defaultOpts.lowerThan = options.lowerThan;
this.defaultOpts.languagePath = options.languagePath;
bkgColor = this.defaultOpts.bgColor;
txtColor = this.defaultOpts.color;
cssProp = this.defaultOpts.lowerThan;
languagePath = this.defaultOpts.languagePath;
} else {
bkgColor = this.defaultOpts.bgColor;
txtColor = this.defaultOpts.color;
cssProp = this.defaultOpts.lowerThan;
languagePath = this.defaultOpts.languagePath;
} //end if options
//Define opacity and fadeIn/fadeOut functions
var done = true;
function function_opacity(opacity_value) {
outdated.style.opacity = opacity_value / 100;
outdated.style.filter = 'alpha(opacity=' + opacity_value + ')';
}
// function function_fade_out(opacity_value) {
// function_opacity(opacity_value);
// if (opacity_value == 1) {
// outdated.style.display = 'none';
// done = true;
// }
// }
function function_fade_in(opacity_value) {
function_opacity(opacity_value);
if (opacity_value == 1) {
outdated.style.display = 'block';
}
if (opacity_value == 100) {
done = true;
}
}
//check if element has a particular class
// function hasClass(element, cls) {
// return (' ' + element.className + ' ').indexOf(' ' + cls + ' ') > -1;
// }
var supports = ( function() {
var div = document.createElement('div');
var vendors = 'Khtml Ms O Moz Webkit'.split(' ');
var len = vendors.length;
return function(prop) {
if (prop in div.style) return true;
prop = prop.replace(/^[a-z]/, function(val) {
return val.toUpperCase();
});
while (len--) {
if (vendors[len] + prop in div.style) {
return true;
}
}
return false;
};
} )();
//if browser does not supports css3 property (transform=default), if does > exit all this
if (!supports('' + cssProp + '')) {
if (done && outdated.style.opacity !== '1') {
done = false;
for (var i = 1; i <= 100; i++) {
setTimeout(( function(x) {
return function() {
function_fade_in(x);
};
} )(i), i * 8);
}
}
} else {
return;
} //end if
//Check AJAX Options: if languagePath == '' > use no Ajax way, html is needed inside <div id="outdated">
if (languagePath === ' ' || languagePath.length == 0) {
startStylesAndEvents();
} else {
grabFile(languagePath);
}
//events and colors
function startStylesAndEvents() {
var btnClose = document.getElementById("btnCloseUpdateBrowser");
var btnUpdate = document.getElementById("btnUpdateBrowser");
//check settings attributes
outdated.style.backgroundColor = bkgColor;
//way too hard to put !important on IE6
outdated.style.color = txtColor;
outdated.children[0].style.color = txtColor;
outdated.children[1].style.color = txtColor;
//check settings attributes
btnUpdate.style.color = txtColor;
// btnUpdate.style.borderColor = txtColor;
if (btnUpdate.style.borderColor) {
btnUpdate.style.borderColor = txtColor;
}
btnClose.style.color = txtColor;
//close button
btnClose.onmousedown = function() {
outdated.style.display = 'none';
return false;
};
//Override the update button color to match the background color
btnUpdate.onmouseover = function() {
this.style.color = bkgColor;
this.style.backgroundColor = txtColor;
};
btnUpdate.onmouseout = function() {
this.style.color = txtColor;
this.style.backgroundColor = bkgColor;
};
} //end styles and events
// IF AJAX with request ERROR > insert english default
var ajaxEnglishDefault = '<h6>Your browser is out-of-date!</h6>'
+ '<p>Update your browser to view this website correctly. <a id="btnUpdateBrowser" href="http://outdatedbrowser.com/">Update my browser now </a></p>'
+ '<p class="last"><a href="#" id="btnCloseUpdateBrowser" title="Close">×</a></p>';
//** AJAX FUNCTIONS - Bulletproof Ajax by Jeremy Keith **
function getHTTPObject() {
var xhr = false;
if (window.XMLHttpRequest) {
xhr = new XMLHttpRequest();
} else if (window.ActiveXObject) {
try {
xhr = new ActiveXObject("Msxml2.XMLHTTP");
} catch ( e ) {
try {
xhr = new ActiveXObject("Microsoft.XMLHTTP");
} catch ( e ) {
xhr = false;
}
}
}
return xhr;
}//end function
function grabFile(file) {
var request = getHTTPObject();
if (request) {
request.onreadystatechange = function() {
displayResponse(request);
};
request.open("GET", file, true);
request.send(null);
}
return false;
} //end grabFile
function displayResponse(request) {
var insertContentHere = document.getElementById("outdated");
if (request.readyState == 4) {
if (request.status == 200 || request.status == 304) {
insertContentHere.innerHTML = request.responseText;
} else {
insertContentHere.innerHTML = ajaxEnglishDefault;
}
startStylesAndEvents();
}
return false;
}//end displayResponse
////////END of outdatedBrowser function
};