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jalada/reverse-chunk.js

Created April 8, 2019 11:40
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  1. jalada created this gist Apr 8, 2019.
    14 changes: 14 additions & 0 deletions reverse-chunk.js
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,14 @@
    const chunk = function(array, size) {
    var length = array.length;
    var index = length,
    result = Array(Math.ceil(length / size)),
    resIndex = result.length-1;

    var start;
    while (index > 0) {
    start = Math.max(0, index - size);
    result[resIndex--] = array.slice(start, index);
    index = start;
    }
    return result;
    }