How to Fix the cannot [x] of null JavaScript Error JS1

Published: 21 May 2021
on channel: Zeats

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In this video we will be looking at the two main culprits of, and how to fix, the cannot [x] of null error in JavaScript where [x] can be anything such as adding an Event Listener or trying to access a property of a JavaScript Object and their solutions.

Links:
video files: http://tiny.cc/xofnull
getting started series link: • Getting started

Chapters:

0:00 Video Start
0:40 Basic House Keeping
1:12 The 2 main causes of the error
2:22 The old style of setting event handlers
2:54 The basic referencing errors (Pre DOM)
3:55 Fixing the references
4:50 Explaining the DOM error
7:25 Fixing the DOM error
8:20 Arrow function Alternative
8:50 load vs DOMContentLoaded
10:17 The event variable
12:15 The common referencing error
13:12 Fixing the common referencing error (and how to find it)
15:41 Video wrap up

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