The diffieHellman.getGenerator() method returns the Diffie-Hellman generator in the specified encoding. A string is returned in case an encoding is passed, else a buffer is returned.SyntaxdiffieHellman.getGenerator([encoding])Parametersencoding - This parameter specifies the encoding of the return value.Example 1Create a file with the name "generator.js" and copy the following code. After creating ... Read More

The dnsPromises.resolveAny() method uses the DNS protocol to resolve all records (this is also known as ANY or * query). The promise is resolved with an array containing various types of records.TypeProperties'A'IPv4 address'AAAA'IPv6 address'Any'Any RecordsMXMail Exchange RecordsNAPTRName authority pointer recordsNSName server recordsPTRPointer RecordsSOAStart of Authority RecordsSRVService RecordsTXTText RecordsCNAMECanonical Name RecordsSyntaxdnsPromises.resolveAny(hostname)Parametershostname - ... Read More

This method indicates about the flag value of --throw-deprecation which is set to True or False on the current Node.js project.The process.throwDeprecation() method is mutable, so the deprecation warning results in errors may be altered at runtime.Syntaxprocess.throwDeprecation( )Example 1Create a file with the name "throwDeprecation.js" and copy the following code. ... Read More

The dns.resolve4() method uses the DNS protocol to resolve a IPv4 address for the hostname. The arguments passed to the callback function can contain an array of multiple addresses.Syntaxdns.resolve4(hostname, [options], callback)Parametershostname - This parameter takes input for the hostname to be resolved.options - It can have the following optionsttl - ... Read More

The Immediate Timer class is used for scheduling the functions that we need to call at a certain period of time in future. These tasks can be scheduled by using the Immediate timer class and using the setImmediate() method. The Immediate class has an object for setImmediate() method and it ... Read More

The diffieHellman.getPublicKey() returns the Diffie-Hellman generated public key that is specified by the encoding passed. It will return a string in case the encoding is passed, else it will return a buffer.SyntaxdiffieHellman.getPublicKey([encoding])Parametersencoding – This parameter specifies the encoding of the return value.Example 1Create a file with the name "publicKey.js" and ... Read More

The Timeout object is internally created and is returned from the setTimeout() and setInterval() method. You can use this object and pass it to either clearTimeout() or clearInterval() methods in order to cancel the scheduled actionsFollowing are the timeout class ref objects that can be used to control the default ... Read More

When a node process is spawned with an IPC channel, the process.channel property provides the reference to that IPC channel. If no IPC channel exists, this property is then undefined.Syntaxprocess.channelExample 1Create two files "channel.js" and "util.js" and copy the following code snippets. After creating the files, use the commands "node ... Read More

The dnsPromises.resolve4() method uses the DNS protocol to resolve IPv4 addresses (A records) for the hostname. A promise is resolved with an array of IP addresses when True.The difference between the dnsPromises and dns module is that dnsPromises provides an alternative way to asynchronous DNS methods that return Promise objects ... Read More

The dns.resolveNaptr() method uses the DNS protocol to resolve regular expression based words (NAPTR records) for the hostname. The addresses argument passed to the callback function will contain an array of objects with the following properties −flagsserviceregexpreplacementorderpreferenceSyntaxdns.resolveNaptr(hostname, callback)Parametershostname – This parameter takes input for the hostname to be resolved.callback – ... Read More