Question

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Javascript dynamic variable name

I’m trying to create a function in javascript that has a name dependent on a variable.

For instance:

var myFuncName = 'somethingWicked';
function myFuncName(){console.log('wicked');};
somethingWicked(); // consoles 'wicked'

I can’t seem to figure out a way to do it…. I tried to eval it, but then when I try and use the function at a later time it ‘doesnt exist’.. or more exactly I get a ReferenceError that the function is undefined…

Any help would be appreciated.

Answer 1

You could assign your functions to an object and reference them like this:

var funcs = {};
var myFuncName = 'somethingWicked';
funcs[myFuncName] = function(){console.log('wicked');};
funcs.somethingWicked(); // consoles 'wicked'

Alternatively, you could keep them as globals, but you would still have to assign them through the window object:

var myFuncName = 'somethingWicked';
window[myFuncName] = function(){console.log('wicked');};
somethingWicked(); // consoles 'wicked'