Mar 7, 2016 · What does $ {} (dollar sign and curly braces) mean in a string in JavaScript? Asked 9 years, 11 months ago Modified 2 years, 2 months ago Viewed 429k times

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

Nov 17, 2009 · 0 Because the + (plus sign) is also the string concatenation operator, while the - (minus sign) only applies to subtraction. If JavaScript can append 2 strings together it won't complain, but if …

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 don't want to …

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.

Jun 18, 2012 · I found three ways to cast a variable to String in JavaScript. I searched for those three options in the jQuery source code, and they are all in use. I would like to know if there are any …

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 modern …

Check if string is alphanumeric or alphanumeric + some allowed chars The fastest alphanumeric method is likely as mentioned at: Best way to alphanumeric check in Javascript as it operates on number …

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. nonbreaking space, byte …

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 element (...