---
title: "Understanding (this) part IV"
description: "Episode 9 of Learn JavaScript, by Neeraj Singh."
canonical_url: "https://www.bigbinary.com/videos/learn-javascript/understanding-this-part-iv"
markdown_url: "https://www.bigbinary.com/videos/learn-javascript/understanding-this-part-iv.md"
---

# Understanding (this) part IV

Episode 9 of Learn JavaScript, by Neeraj Singh.

## Details

- Series: Learn JavaScript Videos
- Duration: 08:22
- Published: February 5, 2016
- [Watch on YouTube: https://www.youtube.com/watch?v=GmDKrx5S4RA](https://www.youtube.com/watch?v=GmDKrx5S4RA)

## Notes

- [http://jsbin.com/saleyobiku/2/edit?html,js,console,output](http://jsbin.com/saleyobiku/2/edit?html,js,console,output)
- [http://jsbin.com/saleyobiku/3/edit?html,js,console,output](http://jsbin.com/saleyobiku/3/edit?html,js,console,output)
- [http://jsbin.com/saleyobiku/4/edit?html,js,console,output](http://jsbin.com/saleyobiku/4/edit?html,js,console,output)
- [http://jsbin.com/saleyobiku/5/edit?html,js,console,output](http://jsbin.com/saleyobiku/5/edit?html,js,console,output)
- [bind support in browsers](http://kangax.github.io/compat-table/es5/#Function.prototype.bind)
- [Polyfill for bind](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind)

## Links

- [Human page](https://www.bigbinary.com/videos/learn-javascript/understanding-this-part-iv)