Translate strings on Magento 2 on Javascript components

magento2-js-translate.js

define (['jquery', 'mage/translate'], function ($, $t) {
  return function () {
    // 1. $.mage.__('<string>'); 
    var string1 = $.mage.__('<string>');
    
    // 2. Use the $.mage.__('') function when adding a string:
    var string2 = $.mage.__('<string>');
    
    // or
    var string3 = $t('<string>');
    
    // If your string contains a variable, to add a placeholder for this variable to the string stored in the dictionary, use the following syntax:
    var string4 = $.mage.__('Hello %1').replace('%1', yourVariable);
    
    // or
    var string5 = $t('Hello %1').replace('%1', yourVariable);
  }
});