Ajax refers to asynchronous java script and xml. It is not a not a programming language. Ajax is of Asynchronous type. It normally uses XML, plain text or JSON to communicate with server i.e. for data transfer.
Note: Ajax is technology independent.
getAllResponseHeaders(): method is used to get the all header information from the server response.
getResponseHeader(): method is used to get the specific header information from the server response.
Example
<!DOCTYPE html> <html> <body> <h2> Ajax http response headers</h2> <p id="test"></p> <script> var xhttp = new XMLHttpRequest(); xhttp.onreadystatechange = function() { if (this.readyState == 4 && this.status == 200) { document.getElementById("test").innerHTML = this.getAllResponseHeaders(); } }; xhttp.open("GET", "test.txt", true); xhttp.send(); </script> </body> </html> |
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