[英]What does Dojo consider a XHR request error?
When doing AJAX through Dojo we can pass two callbacks, one to execute after a successfull request and one to execute after an error: 通过Dojo执行AJAX时,我们可以传递两个回调,一个在成功请求后执行,另一个在错误后执行:
dojo.xhr("GET",{
url: myURL,
content: messageContents,
load: function(returnData, ioArgs){
//This is called on success
},
error: function(returnData, ioArgs){
//This is called on failure
}
});
I couldn't find in the documentation what is defined as an error . 我在文档中找不到什么被定义为错误 。 I'd guess anything with a return code >= 400 but I'm not sure. 我猜任何返回码> = 400的东西,但我不确定。
Generally speaking, an unsuccessful HTTP response code. 一般来说,HTTP响应代码不成功。 The determination is made by calling dojo._isDocumentOk which as you'll see basically accepts 2xx and 304 plus some browser-quirk stuff. 通过调用dojo._isDocumentOk来确定 ,你会看到它基本上接受2xx和304以及一些浏览器怪异的东西。
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