Spread Operator for Objects

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

Tips: 5 ways use spread operator

const moreOptions = {
  text: 'Hello',
  color: 'red'
}
const options = { enabled: true, ...moreOptions }
console.log(options) // { enabled: true, text: 'Hello', color: 'red' }

Object.keys và Object.getOwnPropertyNames

group by property javascript use reduce

serialize Form

Sử dụng formdata constructor để convert form, FormData, array.from(). Kết hợp window.encodeURIComponent() để encode từng value trong form.

Promise + gì

promise + gì

kiểm tra email trong javascript