adactio

// Licensed under a CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
// http://creativecommons.org/publicdomain/zero/1.0/

(function (win, doc) {
    // Cut the mustard.
    if (!win.localStorage) return;
    // You should probably use a more specific selector than this.
    var textarea = doc.querySelector('textarea');
    // The key for the key/value pair in localStorage is the current URL.
    var key = win.location.href;

bvaughn

React lifecycle cheatsheet

Method	Side effects1	State updates2	Example uses
Mounting
componentWillMount		✓	Constructor equivalent for createClass
render			Create and return element(s)
componentDidMount	✓	✓	DOM manipulations, network requests, etc.
Updating
componentWillReceiveProps		✓	Update state based on changed props

kevinweber

import ReactDOMServer from 'react-dom/server';

export function encodeSvg(reactElement) {
  return 'data:image/svg+xml,' + escape(ReactDOMServer.renderToStaticMarkup((reactElement)));
}

fay-jai

import React from "react";
import { render } from "react-dom";

const ParentComponent = React.createClass({
  getDefaultProps: function() {
    console.log("ParentComponent - getDefaultProps");
  },
  getInitialState: function() {
    console.log("ParentComponent - getInitialState");
    return { text: "" };