關於JavaScript中cookie的用法的例子

 最近做專案中牽扯到要寫一些cookie的例子，發現在自己在js方面還有很多的不足，然需要努力：

html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional/ /EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script><br/> function cookie(name, value, options) {<br/>    if (typeof value != 'undefined') { // name and value given, set cookie<br/>        options = options || {};<br/>        if (value === null) {<br/>    options.expires = -1;<br/>        }<br/>        var expires = '';<br/>        if (options.expires.expire && (typeof options.expires == 'number' || options.expires.toUTCString)) {<br/>            var date;<br/>                date = new Date();<br/>                date. setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));<br/>            }               }<br/>            expires = '; expires=' + date.toUTCString() ; // use expires attribute, max-age is not supported by IE<br/>        }<br/>        var path = 0 s.domain ? '; domain= ' + options.domain : '';<br/>        var secure = options.secure ? '; secure' : '';<br/>        document.cookie = [        document。 .join('');<br/>    } else { // only name given, get cookie<br/>        var cookieValue = null;<br/>          var cookies = document.cookie.split (';');<br/>            for (var i = 0; i < cookies.length; i++) {<br/>                  // Does this cookie string begin with the name we want ?<br/>                if (cookie.substring(0, name.length + 1) == (name + '=')) {  .substring(name.length + 1));<br/>                    break;<br/>      }<br/>        }<br/>        return cookieValue;<br/>    }<br/>};<br/><p>  $(document).ready(function(){<br/>          if(cookie('show')==1)<br/>          <br/>       $(" #close").click(function(){<br/>           $(".introBuy").css("display", 'none');<br/>     );<br/>       <br/>});<br/> </script>

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