javascript - How do I test if a variable does not equal either of two ...
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):
javascript - Difference between != and !== - Stack Overflow
return true; } will return true. As a rule of thumb, remember that: JavaScript has both strict and type-converting equality comparison. For strict equality the objects being compared must have the same …
syntax - Javascript logical "!==" operator? - Stack Overflow
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:
What's the difference between = and == in JavaScript?
Jun 24, 2019 · ! not operator != checks if the two parameters are not equal to each other !== checks if the two parameters are not equal to each other or the type is not the same > checks if one parameter …
What is the correct way to check for string equality in JavaScript ...
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 …
Which equals operator (== vs ===) should be used in JavaScript ...
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. …
javascript - Why are two identical objects not equal to each other ...
Jul 29, 2012 · Here is a quick explanation of why {} === {} returns false in JavaScript: From MDN Web Docs - Working with objects: Comparing objects. In JavaScript, objects are a reference type. Two …
How do two (seemingly!) identical strings not equal each other?
The question is misleading (they are not identical). It's kinda weird this question is allowed on this site. Updated the title and added the [puzzle] tag.
Two seemingly equal strings not equal in javascript
Jan 15, 2019 · When I copy-paste the two strings in the upper snippet, they are equal. Please include the relevant variables for the lower snippet.
How to use "if not equal" with multiple items in JavaScript
Jun 2, 2015 · How to use "if not equal" with multiple items in JavaScript Asked 10 years, 8 months ago Modified 10 years, 8 months ago Viewed 3k times