Be aware that String.prototype.{ split, slice, substr, substring } operate on UTF-16 encoded strings None of the previous answers are Unicode-aware. Strings are encoded as UTF-16 in most …

In JavaScript you can have variable type of string or type of object which is class of String (same thing - both are strings - but defined differently) thats why is double checked.

Jul 20, 2014 · 217 Douglas Crockford's Remedial JavaScript includes a String.prototype.supplant function. It is short, familiar, and easy to use:

In JavaScript, the backslash has special meaning both in string literals and in regular expressions. If you want an actual backslash in the string or regex, you have to write two: \\.

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 …

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. …

How can I convert a string to a Date object in JavaScript? var st = "date in some format" var dt = new Date (); var dt_st = // st in Date format, same as dt.

How to use \n in a javascript string Asked 7 years, 11 months ago Modified 2 years ago Viewed 126k times

Is \\n the universal newline character sequence in JavaScript for all platforms? If not, how do I determine the character for the current environment? I'm not asking about the HTML newline …

Mar 12, 2010 · However, it is a far superior solution to String.prototype.isInList = function() { ... } because using simple assignment like that will create an enumerable property on …