14 replies

javascript questions

Hey, i have a couple of questions.

1) What is the difference between changing a string to a number using

Number("5")

Number("5")

and

parseInt("5")

parseInt("5")

. I know that with

parseInt

parseInt

it can separate a number from a string e.g. it can pull

out of something like

parseInt("5Text")

parseInt("5Text")

. But in the original use case, is it a matter of personal preference or is there a correct practice? I assume if you don't want to pull a number from a string you'd just use

Number()

Number()

?

2) What does the term "closures" mean? I've researched it but i don't really understand anything regarding it. I might have found a poor resource though.

Thanks in advance.

KP-C

Kevin Powell - Community•2y ago•

14 replies

snxxwyy

javascript questions

Hey, i have a couple of questions.

1) What is the difference between changing a string to a number using

Number("5")

Number("5")

and

parseInt("5")

parseInt("5")

. I know that with

parseInt

parseInt

it can separate a number from a string e.g. it can pull

out of something like

parseInt("5Text")

parseInt("5Text")

. But in the original use case, is it a matter of personal preference or is there a correct practice? I assume if you don't want to pull a number from a string you'd just use

Number()

Number()

?

2) What does the term "closures" mean? I've researched it but i don't really understand anything regarding it. I might have found a poor resource though.

Thanks in advance.

javascript questions

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