Classes & Assertions Explained | FullStack Masterclass JavaScript Course
A focused JavaScript lesson about Classes & Assertions, with examples, common mistakes, self-checks and practical browser context.
In this FullStack Masterclass lesson, Andrew explains Classes & Assertions as part of the Regular Expressions chapter.
You will learn:
Explain what Classes & Assertions does in JavaScript.
Read a strong Classes & Assertions code pattern.
Recognize a weak Classes & Assertions pattern before using it in production.
Practice Classes & Assertions in a small browser-focused exercise.
Chapters:
00:00 Classes & Assertions
00:15 What You Will Learn
00:29 Classes match characters; assertions match positions.
00:51 Core Ideas
01:12 Full-string validation with anchors
01:24 Partial validation
01:35 Production Rules
02:00 Validate a hex color
02:15 Self-check
02:32 Keep Building
Read the lesson: https://fullstackmasterclass.org/java...
Start learning: https://fullstackmasterclass.org/
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