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 …

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.

Mar 7, 2016 · Functionally, it looks like it allows you to nest a variable inside a string without doing concatenation using the + operator. I'm looking for documentation on this feature.

Jun 18, 2012 · Learn how to cast variables to strings in JavaScript with examples and explanations from the Stack Overflow community.

Nov 24, 2009 · Usually I would expect a String.contains() method, but there doesn't seem to be one. What is a reasonable way to check for this?

Learn how to build and concatenate strings in JavaScript with various methods and examples.

string is one of JavaScript's primitive types, and string values are primarily created with literals e.g. 'foo' and "bar", and as the result type of various functions and operators.

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. …

Nov 30, 2011 · Always, for any issue regarding the JavaScript spec in practical, I will highly recommend the Mozilla Developer Network, and their JavaScript reference. As it states in the …

Jul 4, 2019 · I have created a JavaScript program to convert a string into binary. Input: StackOverflow Output: 1010011 1110100 1100001 1100011 1101011 1001111 1110110 …