한 div에 있는 모든 input을 Jq로 옮겨다니며 비어 있는지 판단합니까?
11182 단어 프런트엔드
DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>title>
<script src="scripts/jquery-1.7.2.js" type="text/javascript">script>
<script type="text/javascript">
$(function () {
$("#btnSubmit").click(function () {
$("input[type='text']").each(function () {
if ($(this).val() == "") {
alert(" !");
}
})
})
})
script>
head>
<body>
<div id="test">
<input type="text" id="txtName" />
<input type="text" id="txtPwd" />
<input type="button" id="btnSubmit" value=" " />
div>
body>
html>
DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>title>
<script src="scripts/jquery-1.7.2.js" type="text/javascript">script>
<script type="text/javascript">
$(function () {
$("#btnSubmit").click(function () {
$("div").find("input[type='text']").each(function () {
if ($(this).val() == "") {
alert(" !");
}
})
})
})
script>
head>
<body>
<div id="test">
<input type="text" id="txtName" />
<input type="text" id="txtPwd" />
<input type="button" id="btnSubmit" value=" " />
div>
body>
html>
전문 프런트엔드 지식 추가
【원숭이2048】www.mk2048.com