try/catch es10

An update for developer convience allows the use of try/catch without an explicit e Error reference in the catch call.

// Before
try {
  fetch('https://example.com')
} catch (e) {
  console.log(`e`)
}

After:

// After
try {
  fetch('https://example.com')
} catch {
  console.log(`something wrong.`)
}

Có thể bạn đã miss một số snippets code

Spread Operator for Objects

Using the spread operator during an Object declaration will assign the properties of the referenced Object to the new Object.

How to combine two sorted arrays into one? We can do this easily with the spread operator.

Array.reduce() và Array.concat() có thể giúp chúng ta làm phẳng một Array như: