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Programming-Idioms

History of Idiom 44 > diff from v2 to v3

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Version 2

2015-07-31, 19:53:24

Version 3

2015-08-01, 17:43:10

Idiom #44 Insert element in list

Insert element x at position i in list s. Further elements must be shifted to the right.

Idiom #44 Insert element in list

Insert element x at position i in list s. Further elements must be shifted to the right.

Code 
s = s.reduce(function(prv, cur, idx, ary) { 
                        prv.push(cur);
                        if (idx === i) prv.push(x);
                        return prv;
}, []);