pairwise

solution to so question http://stackoverflow.com/questions/14081935/moving-index-in-javascript-regex-matching

by xtofl

JavaScript

function pairwise(a, f) {
    for (var i = 0; i < a.length - 1; i++) {
        f(a[i], a[i + 1]);
    }
}

pairwise([1, 2, 3], function(a, b) {
  document.write("<br>"+a+b);
});