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It's not really necessary to include indexOf() twice in the "Additional Methods" section.
I don't see much points in your page, when something like MDN is available, but I also feel stupid because I didn't know that the forEach() method existed, and it appears that it is ancient!
I don't see much points in your page, when something like MDN is available,
Yeah this is a thing that started to irritate me when I was working on JS projects. So many articles written all describing stuff - not always correct - that is answered by reading standard documentation.
I just kept MDN, Node, React docs open all the time. But working with existing code I kept needing to deal with copy & pasted stuff from blog spam.
Could at least show usage of indexes
Thank you for your feedback, I will update it.
Good article however I would like it if the scroll bar on the examples was always visible. On mobile it took me a minute to realize there was more to some of the code snippets, like the square function in the .map() example.
Updated it
Some other useful stuff: toSorted, toReversed, splice, destructuring, spreading. Last two are not methods but very useful when working with arrays