invoking a function with variable number of arguments

[laredotornado]

Hi,

I'm passing a function, "myFunc" as an argument to another function,
"doFunc". In "doFunc", I am creating an arbitrary number of arguments
to pass to "myFunc". How do I invoke "myFunc" with an arguments array
stored in "argsArr"? Here is the basic function skeleton:

function doFunc(myFunc) {
var argsArr = getArgsArray();
// invoke myFunc with argsArr ... how?
}

Thanks for the help, - Dave

[VK]

Re: invoking a function with variable number of arguments

On Jun 17, 1:55 am, laredotornado <laredotorn...@ zipmail.comwrot e:

Hi,
>
I'm passing a function, "myFunc" as an argument to another function,
"doFunc". In "doFunc", I am creating an arbitrary number of arguments
to pass to "myFunc". How do I invoke "myFunc" with an arguments array
stored in "argsArr"? Here is the basic function skeleton:
>
function doFunc(myFunc) {
var argsArr = getArgsArray();
// invoke myFunc with argsArr ... how?
>
}

function doFunc(myFunc) {
myFunc.apply(nu ll,getArgsArray ());
}

function getArgsArray() {
return [1,2,3];
}

function f() {
for (var i=0; i<arguments.len gth; i++) {
window.alert(ar guments[i]);
}
}

doFunc(f);

[RobG]

Re: invoking a function with variable number of arguments

On Jun 17, 7:55 am, laredotornado <laredotorn...@ zipmail.comwrot e:

Hi,
>
I'm passing a function, "myFunc" as an argument to another function,
"doFunc". In "doFunc", I am creating an arbitrary number of arguments
to pass to "myFunc". How do I invoke "myFunc" with an arguments array
stored in "argsArr"? Here is the basic function skeleton:
>
function doFunc(myFunc) {
var argsArr = getArgsArray();
// invoke myFunc with argsArr ... how?

Use Function.protot ype.apply:

myFunc.apply(wi ndow, argsArr);


<URL: http://developer.mozilla.org/en/docs...Function:apply

>

>
}

--
Rob

[Thomas 'PointedEars' Lahn]

Re: invoking a function with variable number of arguments

RobG wrote:

On Jun 17, 7:55 am, laredotornado <laredotorn...@ zipmail.comwrot e:

>I'm passing a function, "myFunc" as an argument to another function,
>"doFunc". In "doFunc", I am creating an arbitrary number of arguments
>to pass to "myFunc". How do I invoke "myFunc" with an arguments array
>stored in "argsArr"? Here is the basic function skeleton:
>>
>function doFunc(myFunc) {
> var argsArr = getArgsArray();
> // invoke myFunc with argsArr ... how?

>
Use Function.protot ype.apply:
>
myFunc.apply(wi ndow, argsArr);

Needlessly proprietary and error-prone. Should be

myFunc.apply(th is, argsArr);

in global context and

myFunc.apply(gl obal, argsArr);

in local context with `global' assigned as

var global = this;

in global context before.


PointedEars
--
var bugRiddenCrashP ronePieceOfJunk = (
navigator.userA gent.indexOf('M SIE 5') != -1
&& navigator.userA gent.indexOf('M ac') != -1
) // Plone, register_functi on.js:16