JS Daily 11 - Named Arguments

Last updated on 1 Dec, 2020

What is the output of following code?

function xyz({name = "Rock", age = 20}) {
  console.log(name, age);
xyz({name: "Joe"});

Output is:


This is an example of providing named arguments to a function. This is achieved using object destructuring. The value of arguments are mapped from the passed object. If a property is not passed(age), the default value assigned is taken.

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Joby Joseph
Web Architect