Agreed with some other comments that there are quite a few issues here.
1- Better to use the standardized Array.from() which is designed for use with array-like objects such as arguments. Better yet, rest parameters should be used when possible, since they are more explicit than arguments.
3- Perfectly valid syntax, but using the if is much more clear and explicit about the intention.
4- Using default parameters is not only more explicit, but it also avoids issues when you want a falsy value to be possible (the code in the article will not allow 0 for example, but that might be completely valid)
functiondoSomething(arg1=32){// … do something here}
5- Not sure there is actually a practical application of this. I sound like a broken record at this point, but since most people do not know this, it makes the code much more difficult to read. Always be explicit.
6- array.slice() is more clear about the intentions.
10- This is a great one. I use it
Being responsible is far more important than being efficient.
That closing thought is extremely important, unfortunately most of the tricks here are ultimately not responsible.
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Agreed with some other comments that there are quite a few issues here.
1- Better to use the standardized
Array.from()which is designed for use with array-like objects such asarguments. Better yet, rest parameters should be used when possible, since they are more explicit thanarguments.3- Perfectly valid syntax, but using the
ifis much more clear and explicit about the intention.4- Using default parameters is not only more explicit, but it also avoids issues when you want a falsy value to be possible (the code in the article will not allow
0for example, but that might be completely valid)5- Not sure there is actually a practical application of this. I sound like a broken record at this point, but since most people do not know this, it makes the code much more difficult to read. Always be explicit.
6-
array.slice()is more clear about the intentions.10- This is a great one. I use it
That closing thought is extremely important, unfortunately most of the tricks here are ultimately not responsible.