I have use this for language translation in my website
<script type="text/javascript">
    function googleTranslateElementInit() {
        new google.translate.TranslateElement({
            pageLanguage: 'en',
            includedLanguages: 'en,ar', //enter the language codes obtained from step 1 and delete this comment
            autoDisplay: false,
            layout: google.translate.TranslateElement.InlineLayout.SIMPLE
        }, 'google_translate_element');
    }
</script>
<script type="text/javascript" src="//translate.google.com/translate_a/element.js?cb=googleTranslateElementInit">< ... Go to the complete details ...

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