From the course: JavaScript: Best Practices for Code Formatting

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Space after commas, but not before

Space after commas, but not before - JavaScript Tutorial

From the course: JavaScript: Best Practices for Code Formatting

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Space after commas, but not before

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- [Instructor] Commas separate values in JavaScript in a number of situations. It's common to write commas in code the same way you would use them in a sentence, with no space before and a space after. However, other comma styles are used as well, including a space before but no space after or no spaces on either side. I use a space only after commas, and so far, I've been writing my ESLintRC file using that format. I want to add a rule to flag errors if my spacing deviates. ESLint supports the comma spacing rule, which lets me specify which style I want to use and how I want it flagged. So over in my ESLintRC file I'm going to add a new line, and that's going to be comma-spacing and in an array, I going to specify that I want it to be flagged as an error, and then I need an object literal. I'm going to specify the value before with a value of false, and a value of after, and give that a value of true. Got to make sure…

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