jQuery中的RadioButton,input,CheckBox取值赋值实现代码_PHP
CheckBox
1、jquery 获取单选组radio
$("input[name='name']:checked").val();
2、jquery获取radiobutton的下一个值
$("input[name='name']:checked").next().text()
$("input[name='name']:checked").val()
3、jquery 获取input的值
$('#id').val()
4、jquery判断多选框checkbox
$("#id:checkbox").attr("checked")
取值 $("#id").attr("value");
赋值则是在text()、val()里面直接给值
JQUERY如何获取text,areatext,radio,checkbox,select值?
$("input").val();
$("textarea").text();
$("select").val();
控制表单元素:
文本框,文本区域:$("#txt").attr("value",'');//清空内容
$("#txt").attr("value",'11');//填充内容
多选框checkbox: $("#chk1").attr("checked",'');//不打勾
$("#chk2").attr("checked",true);//打勾
if($("#chk1").attr('checked')==undefined) //判断是否已经打勾
单选组radio: $("input[@type=radio]").attr("checked",'2');//设置value=2的项目为当前选中项
下拉框select: $("#sel").attr("value",'-sel3');//设置value=-sel3的项目为当前选中项
$("").appendTo("#sel")//添加下拉框的option
$("#sel").empty();//清空下拉框
jQuery 获取和设置select下拉框的值文章分类:.net编程
获取Select :
获取select 选中的 text :
$("#ddlRegType").find("option:selected").text();
获取select选中的 value:
$("#ddlRegType ").val();
获取select选中的索引:
$("#ddlRegType ").get(0).selectedIndex;
设置select:
设置select 选中的索引:
$("#ddlRegType ").get(0).selectedIndex=index;//index为索引值
设置select 选中的value:
$("#ddlRegType ").attr("value","Normal“);
$("#ddlRegType ").val("Normal");
$("#ddlRegType ").get(0).value = value;
设置select 选中的text:
var count=$("#ddlRegType option").length;
for(var i=0;i
{
$("#ddlRegType ").get(0).options[i].selected = true;
break;
}
}
$("#select_id option[text='jQuery']").attr("selected", true);
设置select option项:
$("#select_id").append(""); //添加一项option
$("#select_id").prepend(""); //在前面插入一项option
$("#select_id option:last").remove(); //删除索引值最大的Option
$("#select_id option[index='0']").remove();//删除索引值为0的Option
$("#select_id option[value='3']").remove(); //删除值为3的Option
$("#select_id option[text='4']").remove(); //删除TEXT值为4的Option
清空 Select:
$("#ddlRegType ").empty();

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