我想在提交后清除文本字段。请帮我 :(
<form name ="client" id="client" method="POST" action="index.php"   >
    <input type="hidden" name="id" id="id" >
        <label>name</label>
        <input type="text" name="nombre" id="nombre" value=""> <br />
        <label>surname</label>
        <input type="text" name="apellido" id="apellido"> <br />
        <label>age</label>
        <input type="text" name="fecha" id="fecha" > <br />
        <label>sex</label>
        <select name="peso" id="peso" > <br />
        <option>male</option>
        <option>female</option>
        </select>  <br />
        <input id="submit" type="submit" name="submit" value ="submit"/>
</form>