Introduction to sort()This function sorts the existing name-value pairs by their names. The sorting is done inplace. It used stable algorithm for sorting.SyntaxURLSearchParams.sort(name);It will return a sorted order of elements (name-value pairs) by sorting them based on their key value.Example// Defining the parameters as a constant const params = new ... Read More

Introduction to set()This function can be used to set the value of the name argument passed with the new value passed. If multiple name-value pair exists, only one name-value pair will be set and all the remaining pairs will be removed as shown in the example below.SyntaxURLSearchParams.set(name, value);ParametersThe inputs are ... Read More

Introduction to has()This function returns true or false based upon the query argument. The function will return true if name-value pair exists for the argument.Syntaxvar bool = URLSearchParams.has(name);It will return TRUE if name is present, else FALSE.ParametersThe input parameter is a name that needs to be searched in the URL.Example // ... Read More

Introduction to entries() −This function returns an iterator that allows us to iterate all over the entry set that are present in the object. It basically gives us a tool to iterate over the complete entry set of the param object.SyntaxURLSearchParams.entries();It will return an ES6 type iterator with all the ... Read More

Introduction to fs-extraBefore proceeding with fs-extra, one must have a basic knowledge of the fs file system. The fs-extra is an extension of the fs file system and has more methods than it. It adds some file method systems that are not there in the naive fs modules. Fs-extra adds ... Read More

Introduction to Sync copyThis method copies files or directories from one location to another location in a sync process. The directory can have sub-directories and files.SyntaxcopySync(src, dest[, options])Parameterssrc – This is a string paramter which will hold the source location of the file or directory that needs to be copies. ... Read More

readJson() method reads a JSON object and then parses it into an object.SyntaxreadJson(file [, options] [, callback])Parametersfile – String parameter which will contain name and location of the file holding the JSON.options – The 'outputFile' function supports the following options −encoding – Default 'null'.flag – Default 'r'. The flag 'r' opens a file for ... Read More

In this article, we will see how to select or query the data from a database based on different table fields and columns.Before proceeding, please check the following steps are already executed −mkdir mysql-testcd mysql-testnpm init -ynpm install mysqlThe above steps are for installing the Node - mysql dependecy in ... Read More

Introduction to Async pathExists()This method will test whether the given path exists or not by checking with the file system. It will throw error in callback if the path does not exist.SyntaxpathExists(file[, callback])Parametersfile – This is the path of the file that needs to be checked in all the file ... Read More

Introduction to Async outputFile()This method is similar to write file of 'fs'. The only difference is it will create the parent directories, if not present. The argument passed should always be a file path, not a buffer or a file descriptor.SyntaxoutputFile(file, data[, options] [, callback])Parametersfile – String parameter which will ... Read More