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From: Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups: comp.lang.javascript
Subject: Re: Serialise setInterval
Date: Thu, 20 May 2021 15:46:21 +0100
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Jonas Thörnvall <jonas.thornvall@gmail.com> writes:

> torsdag 20 maj 2021 kl. 14:36:31 UTC+2 skrev Jonas Thörnvall:

>> stopCount=setInterval(countIn,600);
>> function countIn(){ 
>> REALTIME=(performance.now()-browserLoadTIME)-2400; 
>> if (REALTIME<0){ 
>> if (mvol==1 || mvol==noteval+1) { metvol=120; } else { metvol=50;} 
>> noteMessage = [153, 77, metvol]; 
>> outportarr[outportindex].send(noteMessage); 
>> //DRAWOUT COUNTIN SQUARES 
>> ctT.fillStyle = "red"; 
>> ctT.fillRect(240+prog, 5, 10,10); 
>> prog=prog+15; 
>> jint++; 
>> mvol++; 
>> stopCount=setInterval(countIn,600); 
>> } else { 
>> if (rendScroll){
>> startScrollAnime(); 
>> } 
>> clearInterval(stopCount); 
>> stopRec=setInterval(recSomeNotes,5); 
>> browserLoadTIME=performance.now(); 
>> 
>> } 
>> }

I am not going to try to read that.  Programmers don't write code like
that for a reason.  We've learned not to (by "we" I mean the community
of programmers).

> A simple example please on howto first run setInterval A and then
> setInterval B please..... this drives me nuts.

You can not mean what you say.  And if you mean create an interval timer
that fires only once, and then, create a second (which might repeat) then
why are you not using setTimeout for the first?

But to guess a bit at what you want, here is code that waits for two
seconds and then prints "go", after which "tick" is printed five times,
half a second apart.

console.log("Wait for it...");

const longTimer = setInterval(
    () => {
        clearInterval(longTimer);
        console.log("go");
        var nTicks = 0;
        const shortTimer = setInterval(
            () => {
                if (nTicks++ >= 5)
                    clearInterval(shortTimer);
                else console.log("tick");
            }, 500);
    }, 2000);

-- 
Ben.