带有单选按钮的表单

  1. <!DOCTYPE html>
  2. <html>
  3. <body>
  4.  
  5. <form>
  6. <input type="radio" name="sex" value="male" checked>Male
  7. <br>
  8. <input type="radio" name="sex" value="female">Female
  9. </form> 
  10.  
  11. </body>
  12. </html>