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Call Javascript function from another js function using variable name

Posted on 2010-09-02
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Last Modified: 2012-06-27
I'm sure this is trivially easy, but Javascript is not my strong suit.

I have a js file with numerous functions named ol1(), ol2(), ..., oln().

In this function on my page:

function onTaskSelect(e)
{
var funcname = 'ol' + e.id + '()'
?.......?
}


how do I call the function  in the js file named funcname?
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Question by:dgmoore1
6 Comments
 
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Accepted Solution

by:
netmunky earned 500 total points
ID: 33589751
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Expert Comment

by:gurvinder372
ID: 33589839
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Author Closing Comment

by:dgmoore1
ID: 33589995
eval(funcname) works; call() and apply() don't.  Many thanks!
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LVL 63

Expert Comment

by:Zvonko
ID: 33590000
That goes like this:

function onTaskSelect(e){
  var funcname = 'ol' + e.id;
  window[funcname]();
}

Attached the full tested code:
<script>

var myObj = {id:1};

onTaskSelect(myObj)


function onTaskSelect(e){
  var funcname = 'ol' + e.id;
  window[funcname](42);
}


function ol1(myParam){
  alert(myParam);
}

</script>

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Author Comment

by:dgmoore1
ID: 33590038
Thanks to all for your replies
0
 
LVL 63

Expert Comment

by:Zvonko
ID: 33591532
You are welcome.
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