A

Admin • 833K Points
Coach

Q. Consider the following code snippet
function f(o)
{
if (o === undefined) debugger;
}
What could be the task of the statement debugger?

  • (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
  • Correct Answer - Option(A)
  • Views: 31
  • Filed under category JavaScript
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Explanation by: Admin

The debugger statement normally does nothing. If, however, a debugger program is available and is running, then an implementation may (but is not required to) perform some kind of debugging action. In practice, this statement acts like a breakpoint: execution of JavaScript code stops and you can use the debugger to print variable’s values.

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