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JavaScript React Basics (retired) Stateful Components Updating State

Posted by Oscar Morrison
Oscar Morrison
11,211 Points

Binding in component classes

In the video you said: 7:21 "What it's saying is in all component classes will automatically bind all of our methods to the instance so we don't have to do this."

This is not true. The automatic binding only happens using the React.createClass.

If you use an ES6: class Name extends React.Component

you need to manually bind methods.

Oscar Morrison
Oscar Morrison
11,211 Points

CC Jim Hoskins

1 Answer

Iain Simmons
MOD
Iain Simmons
Treehouse Moderator 32,305 Points
Iain Simmons
Iain Simmons
Treehouse Moderator 32,305 Points

Should also note that when you do manually bind methods in ES2015/ES6 Component classes, you should do so for each method in the constructor, rather than inline in the render method, since then you only create a new bound function once, rather than on each render.