javascript

< 1 min readThe “use strict” directive is a way to opt in to a restricted variant of JavaScript. It enables strict mode, which is a way …

< 1 min readTo remove a specific item from an array in JavaScript, you can use the splice method. The splice method allows you to remove one …

< 1 min readSQL injection is a security vulnerability that occurs when user-supplied input is not properly sanitized and is used to create dynamic SQL statements. To …

< 1 min readTo read a large file one line at a time in Node.js, you can use the readline module and the readline.createInterface() function. The readline …

< 1 min readTo append data to a file in Node.js, you can use the fs (file system) module and the fs.appendFile() function. The fs.appendFile() function takes …

< 1 min readIn Node.js, the module.exports and exports variables are used to define the values that a module exports to be used by other modules. The …

< 1 min readTo print text to the console without a trailing newline in Node.js, you can use the process.stdout.write() function instead of the console.log() function. The …

< 1 min readTo access form fields in an HTTP POST request in an Express.js app, you can use the body-parser middleware. The body-parser middleware parses the …

2 min readTo change the font color of text output to the console in Node.js, you can use ANSI escape codes. ANSI escape codes are special …

< 1 min readTo list the npm packages that you have installed in your project, you can use the npm list command. This command lists all of …