
How do I check for an empty/undefined/null string in JavaScript?
It works on a null string, and on an empty string and it is accessible for all strings. In addition, it could be expanded to contain other JavaScript empty or whitespace characters (i.e. …
javascript - What is the difference between String.slice and String ...
Feb 11, 2010 · It's an example of the poor design of JavaScript that we ended up with three methods that all do the same thing, but with different quirks. IMO slice is the one with the least …
javascript - Add method to string class - Stack Overflow
Jun 7, 2019 · I'd like to be able to say something like this in javascript : "a".distance("b") How can I add my own distance function to the string class?
How do I write an extension method in JavaScript?
215 JavaScript doesn't have an exact analogue for C#'s extension methods. JavaScript and C# are quite different languages. The nearest similar thing is to modify the prototype object of all …
How do I make the first letter of a string uppercase in JavaScript?
Jun 22, 2009 · } Some other answers modify String.prototype (this answer used to as well), but I would advise against this now due to maintainability (hard to find out where the function is …
Reversing a string in JavaScript - Stack Overflow
May 27, 2017 · To answer your initial question — how to [properly] reverse a string in JavaScript —, I’ve written a small JavaScript library that is capable of Unicode-aware string reversal. It …
Remove whitespaces inside a string in javascript
May 29, 2012 · Remove whitespaces inside a string in javascript Asked 13 years, 6 months ago Modified 2 years, 8 months ago Viewed 436k times
javascript - How do you reverse a string in-place? - Stack Overflow
How do you reverse a string in-place in JavaScript when it is passed to a function with a return statement, without using built-in functions (.reverse(), .charAt() etc.)?
What is the correct way to check for string equality in JavaScript ...
In all other cases, you're safe to use ==. Not only is it safe, but in many cases it simplifies your code in a way that improves readability. I still recommend Crockford's talk for developers who …
What is the difference between string primitives and String objects …
JavaScript automatically converts primitives to String objects, so that it's possible to use String object methods for primitive strings. In contexts where a method is to be invoked on a primitive …