Timer

Definition

setTimeout(function callback, number delay, any rest)

• Description

  Sets a timer to execute the registered callback function when the timer expires and returns the timer ID. The timer ID can be passed to clearTimeout to cancel the timer.

• Parameters
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  Parameter	Type	Mandatory	Description
  callback	function	Yes	Callback function.
  delay	number	Yes	Delay, in milliseconds, before the function is called.
  rest	any	No	Additional parameters (param1,param2,…paramN) that are passed to the callback function.

• Sample code
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  var id = setTimeout(
          function() {console.log("setTimeout");},
          666,
          'any'
  )

clearTimeout(number timeoutID)

• Description

  Cancels the timer set by the setTimeout() method.

• Parameters
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  Parameter	Type	Mandatory	Description
  timeoutID	number	Yes	Timer ID.

• Sample code
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  clearTimeout(666)

setInterval(function callback, number delay, any rest)

• Description

  Sets a timer to execute the registered callback function based on a specified period (in milliseconds) and returns the timer ID. The timer ID can be passed to clearInterval to cancel the timer.

• Parameters
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  Parameter	Type	Mandatory	Description
  callback	function	Yes	Callback function.
  delay	number	Yes	Delay, in milliseconds, before the function is called.
  rest	any	No	Additional parameters (param1,param2,…paramN) that are passed to the callback function.

• Sample code
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  var id = setInterval(
          function() {console.log("setInterval");},
          666,
          'any'
  )

clearInterval(number intervalID)

• Description

  Cancels the timer set by the setInterval() method.

• Parameters
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  Parameter	Type	Mandatory	Description
  intervalID	number	Yes	Timer ID.

• Sample code
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  clearInterval(666)