Uncaught TypeError: Cannot read property 'state' of undefined

Question

I am trying to change from React.createClass to React.Component, but I am getting below error.

Uncaught TypeError: Cannot read property \'state\' of undefined 
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Answer 1

You need to bind this.

this.onSelect -> this.onSelect.bind(this)

this.enhanceSection -> this.enhanceSection.bind(this)