Despite searching extensively on this platform and MDN, I have not been able to find a satisfactory answer. It appears that naming the object is flexible, for example
var blahBlah = new XMLHttpRequest();I simply want to clarify my understanding of the process.
oReq is simply the variable name, but feel free to use any name you prefer (even blahBlah).
Alternatively, on another page, they opted for calling it httpRequest.
According to W3C's XMLHttpRequest Level 1 specification, they refer to the variable as client consistently.
While discussing this topic, Felix Kling emphasized that:
The actual name of a variable holds significance only to the developer or anyone reading the source code. It does not affect the execution of the code itself.
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