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Ajax cancels a request using the abort Method

Source: Internet
Author: User
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<! Doctype html public "-// W3C // dtd html 4.0 Transitional // EN">
<Html>
<Head>
<Title> New Document </title>
<Meta name = "Generator" content = "EditPlus">
<Meta name = "Author" content = "">
<Meta name = "Keywords" content = "">
<Meta name = "Description" content = "">
</Head>

<Body>
<Script language = "JavaScript" type = "text/javascript">
<! --
Var xmlhttp;
Try {
Xmlhttp = new ActiveXObject ('msxml2. xmlhttp ');
} Catch (e ){
Try {
Xmlhttp = new ActiveXObject ('Microsoft. xmlhttp ');
} Catch (e ){
Try {
Xmlhttp = new XMLHttpRequest ();
} Catch (e ){}
}
}
Xmlhttp. open ("get", "a. xml ");
Xmlhttp. onreadystatechange = function (){
If (xmlhttp. readyState = 4 ){
If (xmlhttp. status = 200 ){
Alert (xmlhttp. responseText );
} Else {
Alert (xmlhttp. status );
}
}
}

Xmlhttp. send (null );
Xmlhttp. abort (); // immediately stop this request

// -->
</Script>
</Body>
</Html>

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