# prefer-formatValues Rejects multiple calls to document.l10n.formatValue in the same code block, to reduce localization overheads. ## Examples of incorrect code for this rule ```js { document.l10n.formatValue('foobar'); document.l10n.formatValue('foobaz'); } ``` ## Examples of correct code for this rule ```js document.l10n.formatValue('foobar'); document.l10n.formatValues(['foobar', 'foobaz']); ```