如何从javascript中设置html单选值?
如何从javascript中设置html广播值?? 我试试这个代码如何从javascript中设置html单选值?,javascript,html,radio-button,Javascript,Html,Radio Button,如何从javascript中设置html广播值?? 我试试这个代码 <script type="text/javascript" src="jquery.min.js"></script> <script type="text/javascript"> $.getJSON("getquestion.php",function(result) { //set radio value //$("#choice").html(result.
<script type="text/javascript" src="jquery.min.js"></script>
<script type="text/javascript">
$.getJSON("getquestion.php",function(result)
{
//set radio value
//$("#choice").html(result.test_choice_a);
//$("#choice").val(result.test_choice_a);
//$("#choice").html(result.test_choice_b);
//$("#choice").val(result.test_choice_b);
//$("#choice").html(result.test_choice_c);
//$("#choice").val(result.test_choice_c);
//$("#choice").html(result.test_choice_d);
//$("#choice").val(result.test_choice_d);
document.testform.choice[0].value = result.test_choice_a;
document.testform.choice[1].value = result.test_choice_b;
document.testform.choice[2].value = result.test_choice_c;
document.testform.choice[3].value = result.test_choice_d;
}
</script>
<input type="radio" name="choice" id="choice" ><br>
<input type="radio" name="choice" id="choice"><br>
<input type="radio" name="choice" id="choice"><br>
<input type="radio" name="choice" id="choice"><br>
$.getJSON(“getquestion.php”,函数(结果)
{
//设定无线电值
//$(“#choice”).html(result.test_choice_a);
//$(“#choice”).val(result.test_choice_a);
//$(“#choice”).html(result.test_choice_b);
//$(“#choice”).val(result.test_choice_b);
//$(“#choice”).html(result.test_choice_c);
//$(“#choice”).val(result.test_choice_c);
//$(“#choice”).html(result.test_choice_d);
//$(“#choice”).val(result.test_choice_d);
document.testform.choice[0]。value=result.test\u choice\a;
document.testform.choice[1]。value=result.test\u choice\b;
document.testform.choice[2]。value=result.test\u choice\c;
document.testform.choice[3]。value=result.test\u choice\d;
}
但它不起作用
如何设置?请帮帮我。可能内容尚未加载,请将ajax调用放入
$(文档)。ready()
此外,元素id应该是唯一的。不能为许多元素提供id
$(document).ready(function () {
$.getJSON("getquestion.php", function (result) {
$("#choice_1").val(result.test_choice_a);
$("#choice_2").val(result.test_choice_b);
$("#choice_3").val(result.test_choice_c);
$("#choice_4").val(result.test_choice_d);
});
});
你需要给每台收音机一个唯一的id
<script type="text/javascript">
$.getJSON("getquestion.php",function(result) {
//set radio value
$("#choice_1").val(result.test_choice_a);
$("#choice_2").val(result.test_choice_b);
$("#choice_3").val(result.test_choice_c);
$("#choice_4").val(result.test_choice_d);
}
</script>
<input type="radio" name="choice" id="choice_1" ><br>
<input type="radio" name="choice" id="choice_2"><br>
<input type="radio" name="choice" id="choice_3"><br>
<input type="radio" name="choice" id="choice_4"><br>
$.getJSON(“getquestion.php”,函数(结果){
//设定无线电值
$(“#选择_1”).val(result.test_选择_a);
$(“#choice_2”).val(result.test_choice_b);
$(“#choice_3”).val(result.test_choice_c);
$(“#choice_4”).val(result.test_choice_d);
}
函数调用末尾缺少一个);
。
<script type="text/javascript">
$.getJSON("getquestion.php",function(result) {
//set radio value
$("#choice_1").val(result.test_choice_a);
$("#choice_2").val(result.test_choice_b);
$("#choice_3").val(result.test_choice_c);
$("#choice_4").val(result.test_choice_d);
}
</script>
<input type="radio" name="choice" id="choice_1" ><br>
<input type="radio" name="choice" id="choice_2"><br>
<input type="radio" name="choice" id="choice_3"><br>
<input type="radio" name="choice" id="choice_4"><br>