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在开发过程中遇到的问题和要点list

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  • setState之后不一定会立即访问到已经被改变的state，可以把它想成异步的； 例：
this.setState({
  canvas: canvas,
  g: g,
  percent: percent
}, function() {
  that.drawBackGround();
  that.draw();
});

https://facebook.github.io/react/docs/component-specs.html