Method of JS operating COOKIE to implement memo recording_javascript skills

The example in this article describes the method of JS operating COOKIE to implement memo recording. Share it with everyone for your reference, the details are as follows:

Specifically involves JS writing and obtaining operations for cookies, the code is as follows:

function getCookie(c_name)
{
  if (document.cookie.length > 0)
  {
    c_start = document.cookie.indexOf(c_name + "=");
    if (c_start!=-1)
    { 
      c_start = c_start + c_name.length + 1;
      c_end = document.cookie.indexOf(";", c_start);
      if (c_end == -1)
      {
        c_end = document.cookie.length;
      }
      return unescape(document.cookie.substring(c_start,c_end))
    }
  }
  return ""
}
function setCookie(c_name,value,expiredays)
{
  var exdate = new Date();
  exdate.setDate(exdate.getDate() + expiredays);
  document.cookie=c_name+ "=" + escape(value) +
  ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
}

Readers who are interested in more JavaScript-related content can check out the special topics on this site: "Summary of JavaScript search algorithm techniques", "Summary of JavaScript animation special effects and techniques", "Summary of JavaScript errors and debugging techniques", "Summary of JavaScript data structures and algorithm techniques", "Summary of JavaScript traversal algorithms and techniques" and "JavaScript Mathematics Summary of operation usage》

I hope this article will be helpful to everyone in JavaScript programming.