Example of difference between interval and setTimeOut in javascript

This article mainly introduces the difference between interval and setTimeOut in javascript. For more information, see

SetTimeout (code, millisec) //-the code required to be executed after the specified time; millisec required; clearTimeout (setTimeoutId) //-cancel setTimeout () setInterval (code, millisec ); // code must be executed cyclically within a specified interval of milliseconds; required by millisec; clearInterval (intervalId); setTimeout (code, millisec) can be used to implement the setInterval effect, which only requires nested call methods; the following is a countdown Page code: <! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">