How do Countdown can be repeatedly?

Question

Try to open jsfiddle.net/3hjLb/1/ then click on "Try it" wait until the 0 and click "Try it" and see happen,

How do the "0" it could go back to 10 if you click on "Try it" a second time?

Answer 1

reset your counter variable to 10 before call onclick function

like this

<button onclick="javascript:counter=10; countDown()">Try it</button>

See JS Fiddle