arguments

Set a default parameter value for a JavaScript function

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From ES6/ES2015, default parameters are in the language specification. function read_file(file, delete_after = false) { // Code } just works. Reference: Default Parameters – MDN Default function parameters allow formal parameters to be initialized with default values if no value or undefined is passed. In ES6, you can simulate default named parameters via destructuring: // … Read more

How do I pass command line arguments to a Node.js program?

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Standard Method (no library) The arguments are stored in process.argv Here are the node docs on handling command line args: process.argv is an array containing the command line arguments. The first element will be ‘node’, the second element will be the name of the JavaScript file. The next elements will be any additional command line … Read more

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