diff --git a/snippets/getCmdArgs.md b/snippets/getCmdArgs.md new file mode 100644 index 000000000..b0fa1a37d --- /dev/null +++ b/snippets/getCmdArgs.md @@ -0,0 +1,20 @@ +--- +title: Command-line arguments +tags: node +expertise: beginner +firstSeen: 2022-04-26T05:00:00-04:00 +--- + +Gets the command-line arguments passed to a Node.js script. + +- Use `process.argv` to get an array of all command-line arguments. +- Use `Array.prototype.slice()` to remove the first two elements (path of the Node.js executable and the file being executed). + +```js +const getCmdArgs = () => process.argv.slice(2); +``` + +```js +// node my-script.js --name=John --age=30 +getCmdArgs(); // ['--name=John', '--age=30'] +```