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Misc

JavaScript P5.js JavaScript Minify JavaScript redirect URL with parameters Javascript Redirect Button JavaScript Ternary Operator JavaScript radio button checked value JavaScript moment date difference Javascript input maxlength JavaScript focus on input Javascript Find Object In Array JavaScript dropdown onchange JavaScript Console log Multiple variables JavaScript Time Picker Demo JavaScript Image resize before upload Functional Programming in JavaScript JavaScript SetTimeout() JavaScript SetInterval() Callback and Callback Hell in JavaScript Array to String in JavaScript Synchronous and Asynchronous in JavaScript Compare two Arrays in JavaScript Encapsulation in JavaScript File Type Validation while Uploading Using JavaScript or jquery Convert ASCII Code to Character in JavaScript Count Character in string in JavaScript Get First Element of Array in JavaScript How to convert array to set in JavaScript How to get current date and time in JavaScript How to Remove Special Characters from a String in JavaScript Number Validation in JavaScript Remove Substring from String in JavaScript

Interview Questions

JavaScript Interview Questions

Javascript Cookies

JavaScript Cookies

Cookie is a piece of data which is sent from a website and stored locally by the user's browser. Cookie is needed because HTTP is stateless protocol. Today most of the websites uses cookie. Cookies is the most efficient method of remembering and tracking preferences and other information required for better visitor experience or site statistics.

How it works

The structure of cookie is simple it consist several key-value pairs. Pairs are separated by semicolons, while the equal sign character separates the key from its value. Cookies are plain text data record of 5 variable-length fields-
  • Expires
  • Domain
  • Path
  • Secure
  • Name=value

Storing cookies

The easiest way to store cookie is to assign string value to the document. Cookie object looks like this:
document.cookie = "key1=value1;key2=value2; expires=date";