lib/object.js
function toQueryStringWithOptions(obj, opts) {
  opts = opts || {};
  if (isUndefined(opts.separator)) {
    opts.separator = '_';
  }
  return toQueryString(obj, opts.deep, opts.transform, opts.prefix || '', opts.separator);
}
function toQueryStringWithOptions(obj, opts) {
  opts = opts || {};
  if (isUndefined(opts.separator)) {
    opts.separator = '_';
  }
  return toQueryString(obj, opts.deep, opts.transform, opts.prefix || '', opts.separator);
}
function toQueryStringWithOptions ( obj , opts ) { opts = opts || { } ; if ( isUndefined ( opts . separator ) ) { opts . separator = '_' ; } return toQueryString ( obj , opts . deep , opts . transform , opts . prefix || '' , opts . separator ) ; }
Query Strings | Creating
Query Strings | Creating