<p>Name: <input type='text', name = 'name'/></p>

<p>Age: <input type = 'text' name ='age'/></p>

<p>Sex:

<label><input type = 'radio' name = 'sex' value = 'Man'/>Man</label>

<label><input type = 'radio' name = 'sex' value = 'Woman'/>Woman</label>

</p>

<p><input type = 'button' value="Press me to send GET request" id = 'btn1'/></p>

var name = $("input[name='name']").val();

var age = $("input[name='age']").val();

var sex = $("input[name='sex']:checked").val();