Internationalizing your web application

Let's see an example of how we can internationalize a standard web application. To do so, we will create a simple web application in Dart Editor, designed the registration form, and embedded it inside the body of an index.html file. The code is as follows:

<h1>Registration Form</h1>
<form>
  <table>
    <tr>
      <td><label for="firstName">First Name:</label></td>
      <td><input type="text" id="firstName" name="firstName"></td>
    </tr>
    <tr>
      <td><label for="lastName">Last Name:</label></td>
      <td><input type="text" id="lastName" name="lastName"></td>
    </tr>
    <tr>
      <td><label>Gender:</label></td>
      <td>
        <input type="radio" name="sex" value="male">
        <span>Male</span>
        <input type="radio" name="sex" value="female...