To schedule execution of callback after delay milliseconds. Returns a
timeoutId for possible use with clearTimeout(). Optionally, you can
also pass arguments to the callback.
设定一个delay毫秒后执行callback回调函数的计划。返回值timeoutId可被用于clearTimeout()。可以设定要传递给回调函数的参数。
Prevents a timeout from triggering.
清除定时器，阻止指定的timeout（超时）定时器被触发。
To schedule the repeated execution of callback every delay milliseconds.
Returns a intervalId for possible use with clearInterval(). Optionally,
you can also pass arguments to the callback.
设定一个每delay毫秒重复执行callback回调函数的计划。返回值intervalId可被用于clearInterval()。可以设定要传递给回调函数的参数。
Stops a interval from triggering.
清除定时器，阻止指定的interval（间隔）定时器被触发。