src/differenceKeys.js
function differenceKeys(first, second) {
    return filterKeys(first, function(val, key) {
        return val !== second[key];
    });
}
function differenceKeys(first, second) {
    return filterKeys(first, function(val, key) {
        return val !== second[key];
    });
}
function differenceKeys ( first , second ) { return filterKeys ( first , function ( val , key ) { return val !== second [ key ] ; } ) ; }
Gets indices for which elements differ between two arrays.

@static
@memberOf _
@category Collection
@param {array} first First array
@param {array} second Second array
@return {array} Array of indices of differing elements
@example

_.differenceKeys([false, true], [false, false]);
// => [1]
Gets indices for which elements differ between two arrays .