<!--Name attribute to show data pass in browser -->
<form>
<label for="username">Username:</label>
<input name="username" id="username" type="text" placeholder="Username" required>
<label for="password">Password:</label>
<input name="password" id="password" type="password" placeholder="Password" required>
<button type="submit">Submit</button>
</form>
Also see: Tab Triggers