I need a js sum function to work like this:
sum(1)(2) = 3 sum(1)(2)(3) = 6 sum(1)(2)(3)(4) = 10 etc.
I heard it can't be done. But heard that if adding + in front of sum can be done. Like +sum(1)(2)(3)(4). Any ideas of how to do this?
+
sum
+sum(1)(2)(3)(4)
Not sure if I understood what you want, but
function sum(n) { var v = function(x) { return sum(n + x); }; v.valueOf = v.toString = function() { return n; }; return v; } console.log(+sum(1)(2)(3)(4));
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