ServiceNow interview questions

Had three interviews totally. Two on-site interviews with about a week's time in between. The last interview was after almost a month. All were technical interviews with the Team Manager. Received an easy assignment after the first interview. Focus was on Algorithms, Data structures, Mathematics questions, Software Design. They were testing JavaScript knowledge all along the way. I was asked too implement the parseFloat method of JS, and design some real-world entities using inheritance, prototypes etc.

I applied through LinkedIn and got a call for technical phone interview. I really enjoyed the interview! the interviewer kept guiding me and redirecting me whenever I was approaching wrong direction solving problem but, he went very deep as to how that particular collection is implemented. After that I didn't hear anything from them and I approached all three people 2 recruiters who arranged the screening and the person who took my interview, none of them bother to respond me back. Even if the position is on hold or I am not selected they could at least say so. This is unprofessional behavior after preparing so hard for the interview and going through the process. Below, I wish Glassdoor has an option for on hold or no response for an interview. I cant say that I am selected/rejected