Number sort for dynatable.js (www.dynatable.com)

numberSort.js

// sort numberAges for the dynatable
var dynatableSettings = {
    dataset: {
      records: jsonTable
      , sortTypes: {
        '%': 'numberSort'
        , 'Total': 'numberSort'
      }
    }
    , features: {
      paginate: false
      , search: false
      , recordCount: false
      , perPageSelect: false
      , pushState: false
    }
    , table: {
      defaultColumnIdStyle: 'trimDash'
    }
  };
  
function getComparison(a, b) {
  return (a * 1) - (b * 1);
}

function getNumber(s) {
  return /[0-9]+/.exec(s);
}

function numberSort(a, b, attr, direction) {
  var numberA = getNumber(a[attr])
      , numberB = getNumber(b[attr])
      , comparison = getComparison(numberA, numberB);

  return direction > 0 ? comparison : -comparison;
}

$('body').delegate('table', 'dynatable:init', function (event, dynatable) {
  dynatable.sorts.functions['numberSort'] = numberSort;
})