Cache data specified by name and value into the browser cookie. - Node.js Environment

Node.js examples for Environment:Cookie

  1. HOME
  2. Node.js
  3. Environment
  4. Cookie

Description

Cache data specified by name and value into the browser cookie.

Demo Code

/**//from   ww w.  j  a  v  a 2s . co m
 * Cache data specified by name and value into the browser cookie.
 * <p>
 * <b>Parameters:</b>
 * <UL>
 * <LI>name: cached data key.
 * <LI>value: cached data value.
 * <LI>hours: cached period of validity, time unit is hour.
 * </UL>
 */
function setCookie(name, value, hours) {
  var expires = "";
  if (typeof hours == "undefined" || hours == null) {
    hours = 30 * 24;
  }
  var d = new Date();
  d.setTime(d.getTime() + 60 * 60 * 1000 * hours);
  expires = "; expires=" + d.toGMTString();
  
  document.cookie = escape(name) + "=" + escape(value) + ";path=/" + expires;
}

/**
 * Get cached data from the browser cookie.
 * <p>
 * <b>Parameters:</b>
 * <UL>
 * <LI>name: cached data key.
 * </UL>
 */
function getCookie(name) {
  var m = document.cookie.match(new RegExp("(^|; )(" + escape(name) + ")\\=([^;]*)(;|$)", "i"));
  return m == null ? null : unescape(m[3]);
}

/**
 * Remove cached data from the browser cookie.
 * <p>
 * <b>Parameters:</b>
 * <UL>
 * <LI>name: cached data key.
 * </UL>
 */
function removeCookie(name) {
  if (getCookie(name) != null)
    setCookie(name, "", -1);
}

Related Tutorials