try/catch es10

es10,function,tipjs

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.`)
}

group by property javascript use reduce

await axios get

Ajax, call jQuery POST to node.js expressjs

Object.keys và Object.getOwnPropertyNames

Tránh viết biến có phạm vi global