Collection
Collection
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>jquery表单选择器</title>
<script src="https://code.jquery.com/jquery-3.1.1.min.js"></script>
<script>
$(document).ready(function(){
//1、$(:disabled) 匹配表单中不可用的元素
$(':disabled').css("background","red");
//2、$(':enabled') 匹配表单中的可用元素
// $(':enabled').css("background","yellow");
//3、$(':selected') 匹配表单中下拉框的选中元素
$(":selected").css("color","pink");
//4、$(':checked') 匹配表单中复选框的选中元素
$("input:checked").parent().css("color","green");
})
</script>
</head>
<body>
<form action="">
输入框1<input type="text"><br/>
输入框2<input type="text" disabled><br/>
输入框3<input type="text"><br/>
输入框4<input type="text"><br/>
星座：
<select name="" id="">
<option value="">水瓶座</option>
<option selected value="">狮子座</option>
<option value="">双鱼座</option>
<option value="">摩羯座</option>
</select>
<label><input type="checkbox" checked name="keepreal" id="">呵呵</label>
<label><input type="checkbox" name="keepreal" id="">嘻嘻</label>
<label><input type="checkbox" name="keepreal" id="">好好</label>
</form>
</body>
</html>点击 "运行实例" 按钮查看在线实例