class Writes extends React.Component { constructor() { var cmp = this; cmp.state.p1 = 42; cmp.state.bar.foo = 42; // not a state write (but implies existence of `bar`) var o1 = {}; o1.p2 = 42 cmp.state = o1; var o2 = {}; o2.p3 = 42; cmp.setState(o2); var o3 = {}; o3.p4 = 42; cmp.setState(() => o3); var o4 = {}; o4.p5 = 42; cmp.forceUpdate(() => o4); } getInitialState() { // not enabled for ES6 classes var o = {}; o.p6 = 42 return o; } state = { p7: 42 }; } // $ reactComponent React.createClass({ render: function() { return