标题 | escape()和unescape() |
范文 | 下面的简单例子中将你的姓名保存为一个cookie: function setCookie() { var the_name = prompt("What's your name?",""); var the_cookie = "wm_javascript=username:" + escape(the_name); document.cookie = the_cookie; alert("Thanks, now go to the next page."); } 函数中间的两行是关键: var the_cookie = "wm_javascript=username:" + escape (the_name); 如果我在提示框中输入了"dave thau",该行代码将生成一个字符串wm_javascript=username:dave%20thau.这就是说我将把一个名为wm_javascript的cookie保存到硬盘.该cookie的值是username:dave%20thau - 函数 escape()将"dave" 和"thau"间的空格用%20做了替换.当我们读取cookie时,我们寻找名为wm_javascript的cookie,然后提取username:dave%20thau,将其用 unescape()解码,去掉username:. document.cookie = the_cookie; |
随便看 |
|
在线学习网范文大全提供好词好句、学习总结、工作总结、演讲稿等写作素材及范文模板,是学习及工作的有利工具。