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html5新的表单增加了很多常用属性,使代码编写更加容易,不需要其他js插件,只需将验证属性配置在html代码中就可以完成表单验证。
以下是表单常用的验证html代码:
 
页面代码:
<!DOCTYPE html>
<html>
<头>
        <meta charset =“ UTF-8” />
        <title> </ title>
</ head>
<script type =“ text / javascript”>
函数showValue(o)
{
document.forms [“ form1”] [“ sum”]。value = o.value;
}
</ script>
<身体>
   <form action =“” method =“ POST” id =“ form1” name =“ form1”>
        <input type =“ text” autofocus =“ autofocus”必需的样式=“ [Az] {3}” name =“ auto”占位符=“必填项测试” />
       数字:<input type =“ number” name =“ demoNumber” min =“ 1” max =“ 100” step =“ 2” />
       邮箱:<input type =“ email” placeholder =“请输入邮箱” name =“ mail” />
        <input type =“ url” name =“ url” placeholder =“输入正确的网址” />
        <br />
        日期:<input type =“ date” name =“ time” />
        颜色:
        <input type =“ color” name =“ color” /> <br />
        <br />
        <input type =“ range” min =“ 0” max =“ 50” step =“ 5” name =“ rangedemo” value =“ 0” onchange =“ showValue(this)” />
        <output name =“ sum”> 0 </ output>
        <br />
        <input type =“ submit” value =“提交表单” />
    </ form>
</ body>
</ html>
复制代码

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