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JavaScript - Why is output [2,4]?
var c = new Array(1,2,3,4); var b = c.filter(function(a){ return(a%2-1); }); document.write(b);
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WONDERFUL answer!
var c = new Array(1,2,3,4); var b = c.filter(function(a){ return(a%2-1); }); document.write(b);