) 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, 2008 · JavaScript has two sets of equality operators: === and !==, and their evil twins == and !=. The good ones work the way you would expect. The good ones work the way you would expect. If the two operands are of the same type and have the same value, then === produces true and !== produces false .

Jun 7, 2011 · It's a little hard to google when all you have are symbols ;) The terms to use are "JavaScript conditional operator". If you see any more funny symbols in JavaScript, you should try looking up JavaScript's operators first: Mozilla Developer Center's list of operators. The one exception you're likely to encounter is the $ symbol.

Jan 11, 2023 · In JavaScript, if you're looking for A or B, but not both, you'll need to do something similar to:

Jan 16, 2010 · If you really want Yes and No you'll need to create some kind of modal Javascript dialog box. Note: there is browser-specific differences with the above. If you opened the window with Javascript (via window.open()) then you are allowed to close the window with javascript. Firefox disallows you from closing other windows.

function showStuff(id, text, btn) { document.getElementById(id).style.display = 'block'; // hide the lorem ipsum text document.getElementById(text).style.display ...

May 19, 2016 · I need to add a delay of about 100 miliseconds to my Javascript code but I don't want to use the setTimeout function of the window object and I don't want to use a busy loop. Does anyone have any

Jul 24, 2015 · if you using after an event occurred you can use. const selected = event.target.checked; //true or false An example would be if you want to track selected items, here is an example using react react-hook-form react material ui, it would be better than using value from rendered field that give wrong values

This is the answer of your question. You can pass the values of the form fields to the function by using this.<<name of the field>>.value.

In javaScript, we can't loop through objects normally as we would on arrays, so, there are a few elements we can use to access either of our choices from an object. Object.keys(object-name-goes-here) >>> Returns the keys or properties of an object. Object.values(object-name-goes-here) >>> Returns the values of an object.