Crockford's book explains the best practice in a comprehensive way, but it does not explain why you would want to follow those practices. You need to have suffi

Crockford's book explains the best practice in a comprehensive way, but it does not explain why you would want to follow those practices. You need to have sufficient experience with the consequences of bad practice to recognize when and why you would use the practices from the good parts. I wouldn't say you need any javascript experience per se, but a solid background in software engineering is definitely helpful.