Check out a free preview of the full Introduction to JavaScript and jQuery course:
The "Traversal methods: Filtering" Lesson is part of the full, Introduction to JavaScript and jQuery course featured in this preview video. Here's what you'd learn in this lesson:

Filtering - filter (with selector or function), not, slice (code demo), eq Context - second param in jQuery (Karl recommends just using find), add, andSelf, end Check - hasClass, is (returns boolean)

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