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Question
Consider the following code snippet
function f(o)
{
if (o === undefined) debugger;
}
What could be the task of the statement debugger?
Options:
A .  It does nothing but a simple breakpoint
B .  It debugs the error in that statement and restarts the statement’s execution
C .  It is used as a keyword that debugs the entire program at once
D .  All of the mentioned
Answer: Option A

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