Edit File: language-chooser.js
/** * @output wp-admin/js/language-chooser.js */ jQuery( function($) { /* * Set the correct translation to the continue button and show a spinner * when downloading a language. */ var select = $( '#language' ), submit = $( '#language-continue' ); if ( ! $( 'body' ).hasClass( 'language-chooser' ) ) { return; } select.trigger( 'focus' ).on( 'change', function() { /* * When a language is selected, set matching translation to continue button * and attach the language attribute. */ var option = select.children( 'option:selected' ); submit.attr({ value: option.data( 'continue' ), lang: option.attr( 'lang' ) }); }); $( 'form' ).on( 'submit', function() { // Show spinner for languages that need to be downloaded. if ( ! select.children( 'option:selected' ).data( 'installed' ) ) { $( this ).find( '.step .spinner' ).css( 'visibility', 'visible' ); } }); });