js動態添加:
var sel= document.getElementById("selectId");
sel.options.add(new Option("請選擇",""));sel.options.add(new Option("name","id"));
js動態動態刪除所有option:
document.getElementById(
"selectId"
).length=0;
js刪除一個選項option:
(var obj=document.getElementById('mySelect');
var index=obj.selectedIndex; //序號,取當前選中選項的序號
var val = obj.options[index].value; //Option值
var val = obj.options[index].text; //option文本
var val = obj.options[index]=new Option("新文本","新值"); //修改當前option)
function removeOne(){var
obj=document.getElementById('selectId');
//index,要刪除選項的序號,這裏取當前選中選項的序號
var
index=obj.selectedIndex;
obj.options.remove(index);
}
js刪除select
function
removeSelect(){
var
mySelect = document.getElementById("selectId");
mySelect.parentNode.removeChild(mySelect);
}
jquery動態添加option:
$("#selectId").append("<option value='"+value+"'>"+text+"</option>");
jquery動態刪除所有option:
$("#selectedId option").remove();