信息"/>
Web前端之注册信息
用户注册
用户名:
密码:
性别: 男女
爱好:篮球足球羽毛球乒乓球
学历:请选择中学大专本科研究生
全选反选
篮球足球乒乓球羽毛球网球
<html>
<head>
<meta charset="UTF-8">
<title></title><style>
p{
text-align: center;
}
input{
outline: none;
}
.isNull{
border: 1px solid red;
}
</style><script>
var names=["tom","jack","lily"];function mySub(){var k=0;var userName = document.forms['myForm']['userName'];
var pwd = document.forms['myForm']['pwd'];
var hobbys = document.forms['myForm']['hobby']
var xl = document.forms['myForm']['xl'];//判断内容是否为空
if(userName.value.trim()==""){
userName.className = "isNull";
}if(pwd.value.trim() == ""){
pwd.className = "isNull";
}for(var i = 0 ; i < hobbys.length ; i++){
if(hobbys[i].checked == true){
k++;
}
}if(k<1){
document.getElementById("isHobby").className = "isNull";
}if(xl.value == "请选择"){
xl.className = "isNull";
}return false;
}//还原表单元素样式
function inputFocus(obj){
obj.className = "";
}//判断用户是否重复
function isName(obj){
var b = true;for (var i=0 ; i<names.length ; i++) {
var n = names[i];
if(n == obj.value){
document.getElementById("isCan").innerHTML = "用户名以被注册!";
obj.className = "isNull";
b = false;
break;
}}if(b){
//当用户名不重复时
document.getElementById("isCan").innerHTML = "";
}}if(b){
//当用户名不重复用时document.getElementById("isCan").innerHTML = "";}//下拉框内容改变事件
function myChange(obj){
if(obj.value != "请选择"){
obj.className = "";
}
}//复选框事件
function mySelect(){
document.getElementById("isHobby").className = "";
}</script>
</head>
<body>
<h1>用户注册</h1>
<hr /><form name="myForm" action="a.html" method="get" onsubmit="return mySub()">
<p>
用户名:
<input name="userName" type="text" onfocus="inputFocus(this)" onblur="isName(this)"/>
<span id="isCan" style="font-size: 14px; color: red;"></span>
</p><p>
密码:<input name="pwd" type="password" onfocus="inputFocus(this)" />
</p><p>
性别:
<input type="radio" name="sex" value="男" checked /> 男
<input type="radio" name="sex" value="女" />女
</p><p id="isHobby">
爱好:
<input type="checkbox" name="hobby" value="篮球" onclick="mySelect()" />篮球
<input type="checkbox" name="hobby" value="足球" onclick="mySelect()" />足球
<input type="checkbox" name="hobby" value="羽毛球" onclick="mySelect()" />羽毛球
<input type="checkbox" name="hobby" value="乒乓球" onclick="mySelect()" />乒乓球
</p><p>
学历:<select name="xl" onchange="myChange(this)">
<option>请选择</option>
<option>中学</option>
<option>大专</option>
<option>本科</option>
<option>研究生</option>
</select>
</p><p>
<input type="submit" />
</p>
</form>
</body>
</html>
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Web前端之注册信息
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