jQuery 操作input select,checkbox

input

$("#add_device_owner_id").val()

$("#add_device_owner_id").val("d")

$('#modal_coffee_cups').attr("readonly","readonly");

Select

$("#add_device_scene_id option:selected").val()

$("#add_device_scene_id option:selected").text()

设置options

var options = [];

$.each(jsonobj, function(index, data) {

                            options.push("<option value='" + data.areaId + "'> " + data.name + " </option>");

                         });

$("#" + type).append(options.join(''));

移除除第一个的options

$("#add_device_county_id").find("option").not(":first").remove();

根据value设置选中项

$("#operate_device_type_id").find("option[value = '"+baseInfo.deviceType+"']").attr("selected","selected");

 $("#operate_device_type_id").find("option[value = '"+baseInfo.deviceType+"']").removeAttr("selected");

 $("#operate_device_type_id").val(0);

 

Checobox

是否被选中

$("#add_user_agreement_id").is(':checked')

默认选中 checked="checked"

$('#modal_sale_add_id').attr("disabled", "disabled");