setTimeout(callback, delay, rest)

Set a timer. Execute the registered callback function after the timer timeout

Parameter Description

Parameter	Type	Required	Instruction
callback	Function	Yes	Callback function
delay	Number	No	Delayed time, after which the function call will occur, in ms
rest	Any	No	param1, param2, ..., paramN and other additional parameters will be passed to the callback function as parameters

Return value

Return value	Type	Instruction
timeoutID	Number	The number of the timer, which can be passed to clearTimeout to cancel the timing

clearTimeout(timeoutID)

Cancel the timer set by setTimeout.

Parameter Description

Parameter	Type	Required	Instruction
timeoutID	Number	Yes	ID of the timer to cancel

setInterval(callback, delay, rest)

Set a timer. Executes the registered callback function at the specified period (in ms)

Parameter Description

Parameter	Type	Required	Instruction
callback	Function	Yes	Callback function
delay	Number	No	Delayed time, after which the function call will occur, in ms
rest	Any	No	param1, param2, ..., paramN and other additional parameters will be passed to the callback function as parameters

Return value

Return value	Type	Instruction
intervalID	Number	The number of the timer, which can be passed to clearInterval to cancel the timing

clearInterval(intervalID)

Cancel the timer set by setInterval.

Parameter Description

Parameter	Type	Required	Instruction
intervalID	Number	Yes	ID of the timer to cancel

Precautions

• The timer number returned by the App side may be of String type, so it is not necessary to actively convert to Number type when using it