How to – Define JavaScript Functions

There are 3 ways you can define JavaScript Functions:

1- You can use “Function” constructor

var total = new Function('a', 'b', 'c', 'return a + b + c;');
-> alerts '3'

2- You can use function declaration
(This is the one I use the most, might have advantages while browsing your external .js files)

function total(a, b, c)
return a + b + c;
-> alerts '3'

3- You can use function expression

var total = function (a, b, c) {return a + b + c;}
-> alerts '3'

Hope this helps someone.

Good luck,

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