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The XMLHttpRequest.overrideMimeType() method overrides the MIME type returned by the server. This may be used, for example, to force a stream to be treated and parsed as text/xml, even if the server does not report it as such. This method must be called before send().
Syntax
XMLHttpRequest.overrideMimeType(DOMString mimetype)
Parameters
mimetype - a string of the file type
Return value
Nothing. It doesn't return anything.
Example
// if the server doesn't specify, the returned text gets treated like xml
// and when you receive plain text or something instead of xml
// you get an error: XML Parsing Error: not well-formed
// this shows how to receive plain text
req = new XMLHttpRequest()
req.overrideMimeType("text/plain")
req.addEventListener("load", callback)
req.open("get", url)
req.send()
Specifications
| Specification | Status | Comment |
|---|---|---|
| XMLHttpRequest The definition of 'overrideMimeType()' in that specification. |
Living Standard | WHATWG living standard |
Browser compatibility
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|---|
| Basic support | 1 | (Yes) | ? | 5[1] 7 |
(Yes) | 1.2 |
| Feature | Android | Chrome for Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | ? | 1.0 | (Yes) | (Yes) | ? | ? | ? |
[1] This feature was implemented via ActiveXObject(). Internet Explorer implements the standard XMLHttpRequest since version 7.