node js free ide

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Briefly introduce the function of this real-time web chat system, the first person to enter the system to fill in the name and e-mail address will get a system created by the URL address, you can send this address to another person, another person into the system can chat with you in real-time conversation. The main use of node. JS and Socket.io two libraries, in addition to the library has Express, Gravata

= Client.multi (), Multicmd.get ("string Key"), Multicmd.exec (function (Err, Reply) {Console.log (reply.tostring ());}); /Set Expiration Time Client.expire (' string key ', 3);//valid time validation var MyTimer = setinterval (function () {client.get (' string key ', function ( Err, Reply) {if (reply) {Console.log (' I live: ' + reply.tostring ());} else {cleartimeout (MyTimer); Console.log (' I expired ') ); Client.quit ()});}, 1000);//Check how long a value is persisted before it expires var

member functions through the prototype, define the attributes within the constructor, and then create the object with the new keyword on the constructor. Avoid complex inheritance, if you want to inherit, try to use the Inherits function in the Util module. For example, A inherits B, it can be util.inherits (A, A). Resources:Appendix B (byvoid) of the node. JS Development GuideJavaScript programming Style