jquery 设置占位符

<script type="text/javascript">    $(document).ready(function(){       $('.inputfield').each(function(){           $(this).val('');           add_placeholder($(this));       })       $('.inputfield').focus(function(){           remove_placeholder($(this));       }).blur(function(){           add_placeholder($(this));       }).blur();    });   function add_placeholder(field)   {       var placeholder = field.attr('name');       if(field.val() == '')       {            field.val(placeholder);            field.addClass('placeholder');       }   }   function remove_placeholder(field)   {       var placeholder = field.attr('name');       if(field.val() == placeholder)       {            field.val('');            field.removeClass('placeholder');       }   }</script>

转载于:https://www.cnblogs.com/isoftware/p/3988446.html

相关资源：jquery占位符动画插件Placeholdem.zip