When you specify two parameters in the function header, you need to pass two arguments. If you call the function without passing the arguments then the value will be undefined. The ‘Peter’ string inside the parentheses when calling the greet() function will be passed as the name parameter. Besides the built-in functions provided by JavaScript, you can also create your own function. A function is simply a section (or a block) of code that’s written to perform a specific task.
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- Without the curly brackets, JavaScript will evaluate the expression on the right side of the arrow syntax and return it to the caller.
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Plus, an active community of JavaScript developers kept adding new features to the library. If you want the Kindle or paperback version of this tutorial, https://remotemode.net/ you can pay a small fee for it. It’ll help support me in creating an in-depth JavaScript Tutorial that will help you build a complete web application.
JavaScript the Hard Parts – Exploring Recursion in JavaScript
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What jobs can you get with JavaScript?
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