React

Life Cycle

Mounting

• constructor (initialize state)
• render()
• compoenentDidMount()

Update

• shouldComponentUpdate()
• render()
• componentDidUpdate()

Unmounting

• componentWillUnmount()

Notes: Element will be unmounted if its key is remove

Why do we need to use bind or arrow function to bind function in React with ES6?

A: ES introduce strict node, which cause this to be undefined