JavaScript Array Methods Explained: Push, Pop, Slice, Sort & More | QA Thoughts
Arrays are one of the most important data structures in JavaScript. Whether you are managing test data, lists of web elements, or API responses, you need to know how to manipulate arrays efficiently.
In this video, we cover the essential Array Methods in JavaScript, ranging from adding/removing elements (Push/Pop) to modifying and sorting data.
Array Methods Covered:
00:00 - Introduction to JS Arrays
00:30 - List of Array Methods
01:50 - Declare an Array
02:27 - Pop Method
03:07 - Push Method
04:08 - Shift Method
04:45 - Unshift Method
05:53 - Delete Method
06:30 - toString Method
07:08 - Join Method
07:59 - Concatenate Method
08:35 - Slice Method
09:11 - Sort Method
10:23 - Summary & Best Practices
Why is this important for Automation?
In tools like Selenium or Playwright, findElements returns a list (array). You often need to iterate through them, sort them to verify order, or extract specific items using slice.
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