Notes.md

React lifecycle methods

constructor()
componentWillMount()
render()
componentDidMount()


componentWillReceiveProps(nextProps) - setState() can be called
shouldComponentUpdate(nextState,nextProps,context)
componentWillUpdate(nextProps,nextState)
render()
componentDidUpdate()

componentWillUnmount()

Basic ajax syntax

var request = new XMLHttpRequest()
request.open('POST','/url')
request.setRequestHeader('Content-type','application/json')
request.addEventListener('load', function(){
    if(request.status == 200){
        var data = JSON.parse(request.responseText)
    }
})
request.send()

splice,slice

string|array - slice(startIndex,endIndex)
string - substr(startIndex,length)
array - splice(startIndex,length,[replace])

swapnilmishra/Notes.md