string-conversion – Page 2

What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]

October 4, 2022 by Tarik

parseInt(“123qwe”) returns 123 Number(“123qwe”) returns NaN In other words parseInt() parses up to the first non-digit and returns whatever it had parsed. Number() wants to convert the entire string into a number, which can also be a float BTW. EDIT #1: Lucero commented about the radix that can be used along with parseInt(). As far … Read more

How can I convert a string to boolean in JavaScript?

August 22, 2022 by Tarik

Do: var isTrueSet = (myValue === ‘true’); using the identity operator (===), which doesn’t make any implicit type conversions when the compared variables have different types. This will set isTrueSet to a boolean true if the string is “true” and boolean false if it is string “false” or not set at all. Don’t: You should … Read more