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Iterate through all local variables, like window?

in Getting Started • 12 years ago

Hi,

Is it possible to access local variables like I access global ones, ie. window["hey"] retrieves the global variable "hey".

It's mainly for curiousity.

Regards,
Bjorn Goransson

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Kevin B

Re: Iterate through all local variables, like window?

12 years ago

yes, as far as how you return the value, however read below code.

var foo = {
one: "foo",
two: "bar",
three: "foobar"
};
alert(foo["one"]);
alert(foo.two);
for ( var item in foo ) {
alert("The value of foo['" + item + "'] is: " + foo[item]);
}

Edit: i'm not sure if there is a way to get the local variables in the same way you would global ones on the window object.

Edit2: did a little more research because this was interesting, here's a stackoverflow question that i think is related:

http://stackoverflow.com/questions/2600361/javascript-reference-a-functions-local-scope-as-an-object

Looks like the answer is no, it is not possible.

-- Kevin

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