A brief analysis of javascript timer_basic knowledge

setTimeout()--used to specify to execute a certain program after a specific period of time.

Format:

[Timer object name=]setTimeout(“”, milliseconds);

Function: Execute once.

The expression is a string, which can be any javascript statement

Copy code The code is as follows:

setInterval()—repeatedly executes until the window or frame is closed or clearInterval

is executed

Format: [timer object name=]setInterval(“”, milliseconds)

clearInterval() terminates the timer

Format: clearInterval(timer object name)

Copy code The code is as follows:

0seconds

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