
How do I write an extension method in JavaScript?
Oct 20, 2019 · 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 …
javascript - Add method to string class - Stack Overflow
Jun 7, 2019 · From my research into it, there is no way to edit the string in place. Even if you use a string object instead of a string primitive. Below does NOT work and get's really weird results …
How to check whether a string contains a substring in JavaScript ...
Nov 24, 2009 · String.prototype.includes is case-sensitive and is not supported by Internet Explorer without a polyfill. In ECMAScript 5 or older environments, use …
What is the correct way to check for string equality in JavaScript ...
Aug 27, 2010 · However, note that string objects will not be equal. new String("a") == new String("a") will return false. Call the valueOf() method to convert it to a primitive for String …
How to convert a string to an integer in JavaScript?
Changing the Type of a String to a Number. All of the other tricks mentioned above that don't use parseInt, involve implicitly coercing the string into a number. I prefer to do this explicitly, var …
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 …
javascript - What is the difference between String.slice and String ...
Feb 11, 2010 · slice() extracts parts of a string and returns the extracted parts in a new string. substr() extracts parts of a string, beginning at the character at the specified position, and …
javascript - Is there a splice method for strings? - Stack Overflow
Also, with this one alone, you could abstract the actual process to another function -- and if there's no string, return a function that will take the string and reverse the curry: mutate()(1, 1, …
javascript - How do you reverse a string in-place? - Stack Overflow
Calling .segment() on the segmenter with the string input then returns an iterator, which produces objects of the form {segment, index, input, isWordLike}. The segment key from this object …
How can I build/concatenate strings in JavaScript?
The placeholder which to replace can obviously be anything. I use "{0}", "{1}" etc out of habit from C#. It just needs to be unique enough not to occur in the string other than where intended. So, …