The document discusses timers, defining them as specialized clocks for measuring time intervals, with two main types: stopwatch and countdown timer. It explains the use of timers in programming for automated counting, particularly in the context of an exam project developed using the Laravel framework and various web technologies. The document also provides a code example illustrating the use of the setInterval() method for executing functions at specified intervals.

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2. Presented by
Nay Oo Kyaw
Timer

3. Outlines
What is Timer?
How about Timer in Programming
Language?
Detailed Timer in Code

4. Timer
A timer is a specialized type of clock for
measuring time intervals.

5. Two Main Types of Timer
A timer which counts upwards from zero for
measuring elapsed time is often called a
Stopwatch.
A device which counts down from a
specified time interval is more usually called a
timer, count down timer.

6. How about Timer in Programming Language?
Timer uses for automated counting down or up cases.
Today, Timer is used for counting down during period of
exam in SecuoNEO project.
After Timer is over, the exam also over.
Project is developed by Laravel framework, Coffee Script,
Jade, Ajax, Stylus and so on.

7. Detailed Timer in Code

8. Sample Exam

9. SetInterval()
setInterval() method calls a function to evaluate at specified
intervals ( in milliseconds)
setInterval() will continue until clearInterval().
The ID value returned by setInterval() is used parameter for
clearInterval()

10. Sample Code
Given time
period