Which equals operator (== vs ===) should be used in JavaScript ...
Dec 11, 2008 · I'm using JSLint to go through JavaScript, and it's returning many suggestions to replace == (two equals signs) with === (three equals signs) when doing things like comparing …
What does the !! (double exclamation mark) operator do in …
Novice JavaScript developers need to know that the "not not" operator is using implicitly the original loose comparison method instead of the exact === or !== operators and also the …
Why would a JavaScript variable start with a dollar sign?
A valid JavaScript identifier shuold must start with a letter, underscore (_), or dollar sign ($); subsequent characters can also be digits (0-9). Because JavaScript is case sensitive, letters …
How do I format a date in JavaScript? - Stack Overflow
127 Plain JavaScript is the best pick for small onetimers. On the other hand, if you need more date stuff, MomentJS is a great solution. For example:
Wait 5 seconds before executing next line - Stack Overflow
This function below doesn’t work like I want it to; being a JS novice I can’t figure out why. I need it to wait 5 seconds before checking whether the newState is -1. Currently, it doesn’t wait, i...
JavaScript hide/show element - Stack Overflow
Learn how to use JavaScript to hide or show elements on a webpage effectively.
How to reload a page using JavaScript - Stack Overflow
How can I reload the page using JavaScript? I need a method that works in all browsers.
JavaScript validation for empty input field - Stack Overflow
Learn how to validate empty input fields using JavaScript in this Stack Overflow discussion, including code examples and best practices.
How can I remove a specific item from an array in JavaScript?
How do I remove a specific value from an array? Something like: array.remove(value); Constraints: I have to use core JavaScript. Frameworks are not allowed.
How do you use the ? : (conditional) operator in JavaScript?
Jun 7, 2011 · The conditional (ternary) operator is the only JavaScript operator that takes three operands. This operator is frequently used as a shortcut for the if statement.