Which of the following object is used to post the data to an external process, say savePerfData?(a) XML(b) XBT(c) XHR(d) XTRI got this question at a job interview.The above asked question is from JavaScript Benchmarking and Logging with perfLogger in chapter Parsing, Benchmarking and Logging of JavaScript

Which of the following object is used to post the data to an external

1.	Which of the following object is used to post the data to an external process, say savePerfData?(a) XML(b) XBT(c) XHR(d) XTRI got this question at a job interview.The above asked question is from JavaScript Benchmarking and Logging with perfLogger in chapter Parsing, Benchmarking and Logging of JavaScript
Answer» Right OPTION is (c) XHR The best I can explain: XHR(XMLHttpRequest) is an API in the form of an object whose methods transfer DATA between a WEB browser and a web server. The benchmarking process will call the external process. We use XHR object to POST the data to the external process.

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