toggle javascript function

Question

I'm using this code to start a log file :

function startTail(str) {
if (str== "stop") {
stopTail();
} else {
t= setTimeout("getLog()",1000);
}
}

This is called using :

<button id="start" onclick="getLog('start');">

and stopped using :

<button id="stop" onclick="getLog('stop');">

Is there anyway I can change this to one button that will toggle start / stop ?

There you go codepen.io/joe/pen/ezdhH

EricG
– EricG

2012-12-12 10:52:32 +00:00
Commented Dec 12, 2012 at 10:52 — EricG
– EricG, Commented Dec 12, 2012 at 10:52

Akhil Sekharan · Accepted Answer · 2012-12-12 10:51:34Z

1

Try:

<button id="start" value="Toggle Log" onclick="getLog('start', this);">

function startTail(str, element) {
    if (str == "stop") {
        stopTail();
        element.setAttribute('onclick', "getLog('start', this);");
    } else {
        element.setAttribute('onclick', "getLog('stop', this);");
    }
}

answered Dec 12, 2012 at 10:51

Akhil Sekharan

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2 Comments

MacMan Over a year ago

Thanks, this starts the log, but seems to stop it straight way. This is the log script I'm using : commavee.com/2007/04/13/ajax-logfile-tailer-viewer

MacMan Over a year ago

Thanks, I had to update another function that was calling startTail() to startTail(str, element) !

yogi · Accepted Answer · 2012-12-12 10:51:13Z

0

You could try this

var flag = false;
function startTail() {
 if (flag)
  {
    stopTail();
    document.getElementById('start').value = "Start";
    flag = false;
  }
 else 
  {
    t= setTimeout("getLog()",1000);
    flag = true;
    document.getElementById('start').value = "Stop";
  }
}

<button id="start" onclick="startTail();" value="Start">

answered Dec 12, 2012 at 10:51

yogi

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1 Comment

MacMan Over a year ago

This seems to do the same as the above. starts but then stops.

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