1.
Which function among the following lets to register a function to be invoked once?

2.
Which function among the following lets to register a function to be invoked repeatedly after a certain time?

3.
Which is the handler method used to invoke when uncaught JavaScript exceptions occur?

4.
Which property is used to obtain browser vendor and version information?

5.
Which method receives the return value of setInterval() to cancel future invocations?

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