send selection to Google Translate

translate_in_new_tab.js

// japanese to english
(function() {
  var text = window.getSelection();
  var url = "https://translate.google.co.jp/?hl=ja#view=home&op=translate&sl=ja&tl=en&text=" + text;
  window.open(url);
})();
// compiled with Google Closure Compiler
// javascript:window.open("https://translate.google.co.jp/?hl=ja#view=home&op=translate&sl=ja&tl=en&text="+window.getSelection());

// english to japanese
(function() {
  var text = window.getSelection();
  var url = "https://translate.google.co.jp/?hl=ja#view=home&op=translate&sl=en&tl=ja&text=" + text;
  window.open(url);
})();
// compiled with Google Closure Compiler
// javascript:window.open("https://translate.google.co.jp/?hl=ja#view=home&op=translate&sl=en&tl=ja&text="+window.getSelection());

// if selected string starts alphanumeric, translate to japanese, else translate to english
(function() {
  var text = window.getSelection().toString().replace(/\n/g, '%250A');
  if (text.search(/^\w/) === 0) {
    var url = "https://translate.google.co.jp/?hl=ja#view=home&op=translate&sl=en&tl=ja&text=";
  } else {
    var url = "https://translate.google.co.jp/?hl=ja#view=home&op=translate&sl=ja&tl=en&text=";
  }
  window.open(url + text);
})();
// compiled with Google Closure Compiler
// var a=window.getSelection().toString().replace(/\n/g, '%250A'),b=0===a.search(/^\w/)?"https://translate.google.co.jp/?hl=ja#view=home&op=translate&sl=en&tl=ja&text=":"https://translate.google.co.jp/?hl=ja#view=home&op=translate&sl=ja&tl=en&text=";window.open(b+a);

// DeepL
(function() {
  var text = window.getSelection().toString().replace(/\n/g, '%250A');
  if (text.search(/^\w/) === 0) {
    var url = "https://www.deepl.com/translator#en/ja/";
  } else {
    var url = "https://www.deepl.com/translator#ja/en/";
  }
  window.open(url + text);
})();
// compiled
// var a=window.getSelection().toString().replace(/\n/g,"%250A"),b=0===a.search(/^\w/)?"https://www.deepl.com/translator#en/ja/":"https://www.deepl.com/translator#ja/en/";window.open(b+a);