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Fix for IE6 compatibility

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This commit is contained in:
James Foster
2010-05-23 12:11:14 +08:00
committed by Alexis Sellier
parent f01976bb03
commit 93edde50d2
1 changed files with 18 additions and 6 deletions
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24
lib/less/browser.js
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@@ -62,7 +62,7 @@ function createCSS(styles, sheet, lastModified) {
}
function xhr(url, callback, errback) {
var xhr = new(XMLHttpRequest);
var xhr = getXMLHttpRequest();
if (window.location.protocol === "file:") {
xhr.open('GET', url, false);
@@ -75,12 +75,12 @@ function xhr(url, callback, errback) {
} else {
xhr.open('GET', url, true);
xhr.onreadystatechange = function () {
if (this.readyState == 4) {
if (this.status >= 200 && this.status < 300) {
callback(this.responseText,
this.getResponseHeader("Last-Modified"));
if (xhr.readyState == 4) {
if (xhr.status >= 200 && xhr.status < 300) {
callback(xhr.responseText,
xhr.getResponseHeader("Last-Modified"));
} else if (typeof(errback) === 'function') {
errback(this.responseText);
errback(xhr.responseText);
}
}
};
@@ -88,6 +88,18 @@ function xhr(url, callback, errback) {
}
}
function getXMLHttpRequest() {
if (window.XMLHttpRequest) {
return new(XMLHttpRequest);
} else {
try {
return new(ActiveXObject)("MSXML2.XMLHTTP.3.0");
} catch(ex) {
return null;
}
}
}
function log(str) {
if (less.env == 'development' && typeof(console) !== "undefined") { console.log(str) }
}