[JavaScript] 表单提交时通过JavaScript判断哪个radio按钮被选中了 →→→→→进入此内容的聊天室

来自 , 2019-10-11, 写在 JavaScript, 查看 100 次.
URL http://www.code666.cn/view/3bff829d
  1. <script type="text/javascript">
  2. function findButton() {
  3. var myForm = document.forms.animalForm;
  4. var i;
  5. for(i=0;i<myForm.marsupial.length; i++) {
  6.    if(myForm.marsupial[i].checked) {
  7.       break;
  8.    }
  9. }
  10. alert("You selected \""+myForm.marsupial[i].value+"\".");
  11. }
  12. </script>
  13. <form name="animalForm">
  14. <input type="radio" name="marsupial" value="kangaroo" />sharejs.com
  15. <br /><input type="radio" name="marsupial" value="Opossum" />Opossum
  16. <br /><input type="radio" name="marsupial" value="Tasmanian Tiger" />Tasmanian Tiger
  17. <br />
  18. <input type="button" name="GO" value="GO" onclick="findButton()" />
  19. </form>
  20. //javascript/8334

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