jQuery : 判斷radio有無選取 (check radio type is checked)

html

<input id="labt1" type="radio" name="LABTYPE" name="LAB" value="1" >LAB1
<input id="labt2" type="radio" name="LABTYPE" name="LAB" value="2" >LAB2


--------------------------------------------

JavaScript

if(typeof($("input[name=LABTYPE]:checked").val()) === "undefined" )
{
alert("請選擇LAB");
return false;
}

jQuery : 判斷html text不可空白 (check html input tag value not null)

html

<form id="FROMTAG" name="form1" method="post">
<input type="text">

----------------------------------------------------------------

JavaScript

$("#FROMTAG").find(':input').each(function()
{
var ty = this.type;
var val = $(this).val();

if(ty=="text" && val=="")
{
alert("欄位不可空白");
return false;
}
});

jQuery : Ajax html

var div
var organ

$.ajax({
url: '/html/text/pages/Mean.jsp',
dataType: 'html',
type:'POST',
async:false,
data: { No: div, Size: organ },

error: function(xhr) {
alert('Ajax request 發生錯誤');
},
success: function(response) {
$("#ID").html($.trim(response));
        }
});

jQuery: checkbox readonly

readonly  :

$(":checkbox").click(function(e){ e.preventDefault(); });


remove readonly :

$(":checkbox").unbind('click');

jQuery : ajax解決中文亂碼

$.ajax({
url: ' ',
dataType: 'html',
type:'POST',
async:false,
            // 解決中文亂碼
contentType: 'application/x-www-form-urlencoded;charset=UTF-8', 
data: {
           },            
error: function(xhr) {
},
success: function(response) {
             }
    });