When the user returns to the website later, the cookie will “remember” their name. The first thing we will do is construct a function, which we will callgetACookie, and we will usecookieNameas the method’s argument. Get a Cookie by Name in JavaScript Next, we will create a variabl...
functiondeleteCookie(name, path, domain) { if(getCookie(name)) { document.cookie = name +"="+ ((path) ?"; path="+ path :"") + ((domain) ?"; domain="+ domain :"") + "; expires=Thu, 01-Jan-1970 00:00:01 GMT"; } } // utility function called by getCookie() functionget...
document.cookie="userId=828"; document.cookie="userName=hulk"; 这时浏览器将维护两个cookie,分别是userId和userName,因此给document.cookie赋值更像执行类似这样的语句: document.addcookie("userId=828"); document.addcookie("userName=hulk"); 事实上,浏览器就是按照这样的方式来设置cookie的,如果要改变一个...
getElementByName() 方法根据给定的 name 属性值查找文档元素,返回一个对象的集合。语法如下: </>code document.getElementByName(name) 提示:因为拥有相同 name 属性的元素可能不止一个,因此往往需要再对返回的数组进行进一步处理。 getElementByName() 方法实例 该例子允许你选择一系列同名的 checkbox ,并给出您选...
(X) 4. cookie当浏览器关闭的时候失效 。(X) 5. 在HTML文档中 ,每个标签都可以有一个name属性 ,name属性的值不是 唯一的 。(V) 6. HTML的节点层次是一个树形结构 。(V) 7. 结合CSS类型选择器 ,可以实现批量改变元素样式的效果 。(V) 8. Document对象可用于检索浏览器窗口中的HTML文挡的信息 。(V...
functiongetCookie(cname) { varname=cname+"="; varca=document.cookie.split(';'); for(vari=0;i<ca.length;i++) { varc=ca[i].trim(); if(c.indexOf(name)==0)returnc.substring(name.length,c.length); } returnnull; }; //设置Cookie; 参数cname名称,cvalue值,exdays天数 ...
Cookies.get() // => { name: 'value' } Note: It is not possible to read a particular cookie by passing one of the cookie attributes (which may or may not have been used when writing the cookie in question): Cookies.get('foo', { domain: 'sub.example.com' }) // `domain` won'...
Set-Cookie: <cookie-name>=<cookie-value>; Secure Set-Cookie: <cookie-name>=<cookie-value>; HttpOnly 1. 2. 3. 4. 5. 6. 上面的几个属性的含义,将在后文解释。 一个Set-Cookie字段里面,可以同时包括多个属性,没有次序的要求。 Set-Cookie: <cookie-name>=<cookie-value>; Domain=<domain-value...
The function sets a cookie by adding together the cookiename, the cookie value, and the expires string. A Function to Get a Cookie Then, we create afunctionthat returns the value of a specified cookie: Example functiongetCookie(cname) { ...
GetCookie (pName) Returns the value of cookie name (pName). Return Value Not applicable. Parameters pName (String) SetCookie (pName,pValue) Sets a cookie (pName) to a specified value (pValue). Return Value Not applicable. Parameters ...