Jun 3, 2012 · This is the strict not equal operator and only returns a value of true if both the operands are not equal and/or not of the same type. The following examples return a Boolean true:

I want to write an if/else statement that tests if the value of a text input does NOT equal either one of two different values. Like this (excuse my pseudo-English code):

Dec 11, 2008 · The strict equality operator (===) behaves identically to the abstract equality operator (==) except no type conversion is done, and the types must be the same to be considered equal. …

In this function, when it is compared the lenght of the array it is used != operator and when it is comparing all elements of the array it is using !== operator. Why?! Thx. var a = [1,2,3]; var b...

The check against 0 is not an actual check against 0, but a check against the somewhat weird list of values Javascript considers equal to 0. userId ? true : false makes more clear that there is …

Jun 24, 2019 · It will only return true if both the type and value of the operands are the same. I would check out CodeCademy for a quick intro to JavaScript. If you prefer to read more, MDN is a great …

Feb 7, 2009 · What is the difference between == and === in JavaScript? I have also seen != and !== operators. Are there more such operators?

0 === is a strict equality comparison. The == operator in JavaScript does type coercion, which often has surprising results, like how ' ' == false. So most JavaScript developers use === where possible. Hard …

Aug 9, 2016 · 23 I've been trying to understand the difference between JavaScript's comparison operators: identity and equality. From what I've read, if you check the equality of two objects using …

So the best way to check for equality is using the === operator because it checks value as well as type of both operands. If you want to check for equality between two objects then using …