Dec 11, 2008 · ECMA-262 is the specification for a scripting language of which JavaScript is a dialect. Of course in practice it matters more how the most important browsers behave than an …

) in JavaScript only considers null or undefined as "nullish" values. If the left-hand side is any other value, even falsy values like "" (empty string), 0 , or false , it will not use the right-hand side:

Dec 11, 2009 · Also at In JavaScript, is '!=' the same as '!=='?. More answers, but this is the duplicate target.

This operator is almost never used in JavaScript. Other programming languages (like C and Java) use it for performance reasons or to work with binary data. In JavaScript, it has questionable …

Dec 23, 2011 · Javascript === vs == : Does it matter which “equal” operator I use? Difference between == and === in JavaScript. I have two variables to compare. Result should not be …

Feb 7, 2009 · JavaScript has both strict and type-converting equality comparison. For strict equality the objects being compared must have the same type and: Two strings are strictly …

I saw this question and I am wondering about the same thing in JavaScript. If you use the character ' or the character " when making strings in JavaScript, the application seems to …

JavaScript has both strict and type-converting equality comparison. For strict equality the objects being compared must have the same type and: Two strings are strictly equal when they have …

I would check out CodeCademy for a quick intro to JavaScript. If you prefer to read more, MDN is a great intro as well. For those concerned about the source of the term "identity operator" …

Aug 9, 2016 · JavaScript is converting the two operands into the same type and comparing them. In essence, the equality operator tests that values are the same irrespective of their type. If …