<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>表单过滤选择器</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<!-- 记得引入jquery-1.11.3.js文件到js目录下 -->
<script type="text/javascript" src="js/jquery-1.11.3.js"></script>
<style type="text/css">
body{
font-family: "Microsoft YaHei"
}
.cGreen{background-color: #4CA902}
.cPink{background-color: #ED4A9F}
.cBlue{background-color: #0092E7}
.cCyan{background-color: #01A6A2}
.cYellow{background-color: #DCA112}
.cRed{background-color: #B7103B}
.cPurple{background-color: #792F7C}
.cBlack{background-color: #110F10}
.hide{display: none;}
</style>
<script type="text/javascript">
$(document).ready(function(){
$("#btn1").click(function(){
console.log($(":input"));
console.log($(":input").length);
//$(":input").val("测试");
});
$("#btn2").click(function(){
console.log($(":text").length);
});
$("#btn3").click(function(){
console.log($(":password"));
});
$("#btn4").click(function(){
console.log($(":radio"));
});
$("#btn5").click(function(){
console.log($(":checkbox"));
});
$("#btn6").click(function(){
console.log($(":submit"));
});
$("#btn7").click(function(){
console.log($(":image"));
});
$("#btn8").click(function(){
console.log($(":reset"));
});
$("#btn9").click(function(){
console.log($(":button"));
});
$("#btn10").click(function(){
console.log($(":file"));
});
$("#btn11").click(function(){
//:hidden选取隐藏input元素，将隐藏div的文本显示出来
console.log( $("input:hidden").val() );
$("div:hidden").show(); // 显示div
});
});
</script>
</head>
<body>
<input type="text" name="text1" value="单行文本输入框">
<input type="password" value="密码输入框">
<textarea rows="3" cols="10">多行文本输入区域textarea</textarea>
<select>
<option>软件工程</option>
<option>编译原理</option>
<option>数据库原理</option>
</select>
<select multiple="multiple">
<option>软件工程</option>
<option>编译原理</option>
<option>数据库原理</option>
</select>
<br><br>
<input type="radio" name="country" value="chn">中国
<input type="radio" name="country" value="usa">美国
<input type="checkbox" name="language" value="Java">Java
<input type="checkbox" name="language" value="IOS">IOS
<input type="checkbox" name="language" value="Android">Android
<br><br>
<input type="submit" value="提交按钮">
<input type="image" src="logo.png">---
<img alt="图片" src="logo.png">
<input type="reset" value="重置按钮">
<input type="file" name="file">
<button>button按钮</button>
<input type="hidden" name="hideInput" value="you found it">
<div style="display:none">隐藏div</div>
<br><br>
<hr>
<input type="button" id="btn1" value=":input选取所有input元素">
<input type="button" id="btn2" value=":text选取单行文本框">
<input type="button" id="btn3" value=":password选取密码框">
<input type="button" id="btn4" value=":radio选取单选radio元素">
<input type="button" id="btn5" value=":checkbox选取复选checkbox元素">
<input type="button" id="btn6" value=":submit选取提交按钮submit元素">
<input type="button" id="btn7" value=":image选取图片image元素">
<input type="button" id="btn8" value=":reset选取重置按钮reset元素">
<input type="button" id="btn9" value=":button选取按钮元素">
<input type="button" id="btn10" value=":file选取文件元素">
<input type="button" id="btn11" value=":hidden选取隐藏input元素，将隐藏div的文本显示出来">
</body>
</html>
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