How to Sort Strings in JavaScript with Parentheses at the End

A comprehensive guide on sorting lists of strings in JavaScript, prioritizing items without parentheses at the beginning.
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How to Sort Strings in JavaScript with Parentheses at the End

Sorting a list of strings in JavaScript can be straightforward, but when you introduce conditions—like some strings beginning with parentheses—it can become a bit tricky. If you’re faced with the task of organizing a list of strings where some entries are encapsulated in parentheses, you want to ensure that the strings without parentheses appear first in an ascending order, followed by those with parentheses at the end.

The Problem

Let’s consider the following list of strings:

[[See Video to Reveal this Text or Code Snippet]]

The goal is to sort this list in such a way that:

Strings without parentheses come first.

Strings with parentheses come last, while still maintaining alphabetical order within their respective groups.

The Attempted Solution

You may have tried straightforward sorting using the sort() method, such as:

[[See Video to Reveal this Text or Code Snippet]]

However, this approach leads to undesired outcomes where strings with parentheses tend to be mixed in with those without.

Desired Output

Your desired output should look like this:

[[See Video to Reveal this Text or Code Snippet]]

The Solution

To achieve the desired sorting, we need to customize the comparison function within the sort() method. Here’s how you can do it:

[[See Video to Reveal this Text or Code Snippet]]

Breakdown of the Solution

Sorting with Custom Logic:

We create a comparison function that accommodates our sorting needs.

Using includes(), we check if each string contains the phrase '(Busy)'.

Conditional Returning:

If the first item (a) contains '(Busy)' and the second item (b) does not, we return 1, placing string a after b.

Conversely, if the first does not contain '(Busy)' and the second does, we return -1, ensuring string a comes before b.

If both have the same condition (both are either busy or not), we revert to alphabetical sorting using localeCompare().

Conclusion

Utilizing a custom sorting function allows you to effectively organize your string lists in JavaScript according to specified cleanliness requirements—like prioritizing entries without parentheses. This method can be easily adapted for different conditional sorting needs, making it a valuable tool in your JavaScript toolkit.

Now, you can confidently sort strings based on your preferences and requirements!