Home > Article > Web Front-end > jQuery implements button click, select all/inverse selection, radio button/check box, text box, form validation

jQuery implements button click, select all/inverse selection, radio button/check box, text box, form validation

高洛峰Original: 2017-02-06 13:11:341050browse

jQuery implements button click to select all/inverse selection of radio button/checkbox text box form validation

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
 <head>
  <base href="<%=basePath%>">
    
  <title>My JSP &#39;index.jsp&#39; starting page</title>
  <meta http-equiv="pragma" content="no-cache">
  <meta http-equiv="cache-control" content="no-cache">
  <meta http-equiv="expires" content="0">  
  <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
  <meta http-equiv="description" content="This is my page">
  <!--
  <link rel="stylesheet" type="text/css" href="styles.css">
  -->
  <script type="text/javascript" src="jquery-1.4.js"></script>
  <script type="text/javascript">
  $(document).ready(function(){
     //按钮
     $("#but").click(function(){
     alert("This is my JSP page");
     });
       
     //文本框
     $("#btext").click(function(){
     alert($("#te").val());
     });
       
     //下拉框
     $("#sel").change(function(){
     alert($("#sel").val());
     });
       
     //单选框
     $("#uradio1").click(function(){
     alert($(&#39;input[name="radiobuttid=on"]:checked&#39;).val());
     });
     $("#uradio2").click(function(){
     alert($(&#39;input[name="radiobutton"]:checked&#39;).val());
     });
     $("#uradio3").click(function(){
     alert($(&#39;input[name="radiobutton"]:checked&#39;).val());
     });
       
     //复选框
     $("#ucheck").click(function(){
      var str="";//定义一个数组   
      $(&#39;input[name="checkbox"]:checked&#39;).each(function(){//遍历每一个名字为interest的复选框，其中选中的执行函数   
      str+=$(this).val();//将选中的值添加到数组chk_value中  
         
      });
      alert(str);
     });
     //全选
     $("#checkall").click(function(){ 
      $("input[name=&#39;items&#39;]").attr("checked",true); 
     }); 
       
     //全不选
     $("#checkallNo").click(function(){
      $("input[name=&#39;items&#39;]").attr("checked",false);
     });
      
     //反选
     $("#check_revsern").click(function(){ 
      $("input[name=&#39;items&#39;]").each(function(){ 
        $(this).attr("checked", !$(this).attr("checked")); 
       }); 
     }); 
       
     //全选/反选
     $("#checkItems").click(function(){ 
      $("input[name=&#39;items&#39;]").attr("checked",$(this).get(0).checked); 
     }); 
       
     //表单验证
     $("#nameid").hide();
     $("#ageid").hide();
       
     $("#ubu").click(function(){
     if($("#name").val()==""){
       $("#nameid").show();
       $("#nameid").fadeOut(3000);
      return false;
     }else if($("#age").val()==""){
       $("#ageid").show();
       $("#ageid").fadeOut(3000);
      return false;
     }
     alert($("#sel").val());
     alert("姓名："+$("#name").val()+"  "+"年龄"+$("#age").val() );
     });
      
    });
  </script>
 </head>
   
 <body>
  <!-- 按钮 -->
  <input type="button" value="确认" id="but"/><br>
    
  <!-- 文本框 --> 
  <input type="text" name="text" id="te" /><input type="button" id="btext" value="取值"><br>
    
  <!-- 下拉框 -->
  <select id="sel">
    <option value="1">1</option>
    <option value="2">2</option>
    <option value="3">3</option>
  </select>
  <br>
    
  <!-- 单选框 -->
  <input type="radio" name="radiobutton" id="uradio1" value="1"> 1 
  <input type="radio" name="radiobutton" id="uradio2" value="2"> 2
  <input type="radio" name="radiobutton" id="uradio3" value="3"> 3
  <br> 
    
  <!-- 复选框 -->
  <input type="checkbox" name="checkbox" value="1"> 1 
  <input type="checkbox" name="checkbox" value="2"> 2 
  <input type="checkbox" name="checkbox" value="3"> 3 
  <input type="checkbox" name="checkbox" value="4"> 4
  <input type="button" id="ucheck" value="确定">
  <br> 
    
  <!-- 复选框的全选和反选 -->
   <input type="checkbox" name="checkItems" id="checkItems" value="全选/全不选"/>全选/全不选
    <br>
    <input type="checkbox" name="items" value="足球"/>足球
    <input type="checkbox" name="items" value="篮球"/>篮球
    <input type="checkbox" name="items" value="游泳"/>游泳
    <input type="checkbox" name="items" value="唱歌"/>唱歌
    <br>
    <input type="button" name="checkall" id="checkall" value="全选" />
    <input type="button" name="checkall" id="checkallNo" value="全不选" />
    <input type="button" name="checkall" id="check_revsern" value="反选" />
    
  <!-- 表单验证 -->
  <form action="">
     姓名：<input type="text" id="name"><span id="nameid" style="color:#f00;">姓名不能为空！</span><br>
     年龄：<input type="text" id="age"/><span id="ageid" style="color:#f00;">年龄不能为空！</span> <br> 
    <input type="button" id="ubu" value="确定" />
  </form>
 </body>
</html>

This is the first release of a rookie, please point out if there is anything wrong

That’s the entire content of this article, I hope you all like it.

For more jQuery implementation of button clicks, select all/inverse selection, radio button/check box, text box, form validation related articles, please pay attention to the PHP Chinese website!

Statement：

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Previous article：Implement functions such as selecting all check boxes, inverting selections, and deselecting all check boxes based on jqueryNext article：Implement functions such as selecting all check boxes, inverting selections, and deselecting all check boxes based on jquery

See more

jQuery implements button click, select all/inverse selection, radio button/check box, text box, form validation

Related articles