ico.js
function(start, end, options) {
    var values = [], i;
    for (i = start; i < end; i++) {
      if (options && options.skip) {
        if (i % options.skip === 0) {
          values.push(i);
        } else {
          values.push(undefined);
        }
      } else {
        values.push(i);
      }
    }
    return values;
  }
function(start, end, options) {
    var values = [], i;
    for (i = start; i < end; i++) {
      if (options && options.skip) {
        if (i % options.skip === 0) {
          values.push(i);
        } else {
          values.push(undefined);
        }
      } else {
        values.push(i);
      }
    }
    return values;
  }
function ( start , end , options ) { var values = [ ] , i ; for ( i = start ; i < end ; i ++ ) { if ( options && options . skip ) { if ( i % options . skip === 0 ) { values . push ( i ) ; } else { values . push ( undefined ) ; } } else { values . push ( i ) ; } } return values ; }
Handy method to produce an array of numbers.

@param {Integer} start A number to start at
@param {Integer} end A number to end at
@returns {Array} An array of values
Handy method to produce an array of numbers .