why is new XmlHttpRequest() throwing an exception in Firefox 4.0.1
the following javascript has been working in prior version of Firefox (3.x) but is throwing an exception in Firefox 4.0.1 oddly enough the request object is being created in the try block but then is nulled in the catch block
var xmlHttp;
// branch for native XMLHttpRequest object
if(window.XMLHttpRequest) {
try {
xmlHttp = new XMLHttpRequest();
} catch(e) {
xmlHttp = null;
}
// branch for IE/Windows ActiveX version
} else if(window.ActiveXObject) {
....
the following javascript has been working in prior version of Firefox (3.x) but is throwing an exception in Firefox 4.0.1
oddly enough the request object is being created in the try block but then is nulled in the catch block
var xmlHttp;
// branch for native XMLHttpRequest object
if(window.XMLHttpRequest) {
try {
xmlHttp = new XMLHttpRequest();
} catch(e) {
xmlHttp = null;
}
// branch for IE/Windows ActiveX version
} else if(window.ActiveXObject) {
....
Všechny odpovědi (1)
A good place to ask questions and advice about web development is at the mozillaZine Web Development/Standards Evangelism forum.
The helpers at that forum are more knowledgeable about web development issues.
You need to register at the mozillaZine forum site in order to post at that forum.
See http://forums.mozillazine.org/viewforum.php?f=25