How to write js timer? This is the execution of a program at a particular time

  • 2020-03-26 21:20:11
  • OfStack

 
$(function(){ 
var handler = function(){ 

} 
var timer = setInterval( handler , 1000); 

var clear = function(){ 
clearInterval(timer); 
} 
}); 

I'm going to add a page jump in the timer, and then load the timer when the page loads. How do I write that?

What should realize is like the place that initiates instant message above baidu prompt how many messages. I have a method for querying the number of bars in Java. How do you write js?

Timer:

Used to specify the execution of a program after a specified period of time.

JS timing execution,setTimeout and setInterval differences, and l unwinding method

SetTimeout (Expression,DelayTime). After DelayTime, an Expression and a setTimeout will be executed for a delay of some time, and then an operation will be performed.
SetTimeout ("function",time) sets a timeout object

SetInterval (expression,delayTime), each delayTime, will execute expression. Often used to refresh expressions.
SetInterval ("function",time) sets a timeout object

SetInterval repeats automatically. SetTimeout does not repeat.

ClearTimeout (object) clears the setTimeout object that has been set
ClearInterval (object) clears the setInterval object that has been set
 
setTimeout(aa(),1000) //Unit of milliseconds
function aa() 
{ 
location.href(' address ') ;  
} 

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