Otherwise, I want their original value. Basic desired outcome: For this example, type a name to see the result. Erase the name and I want it to say “[empty]” instead of the name (in the text below the field). If I type the name again it should show the name again. I am using “span” in a larger program so
Tag: conditional-operator
Variable reassignment with chained booleans or ternary operator [closed]
To clarify: This is purely for experimental purposes, to learn the quirks, odds and ends of a new (to me) language. I would of course write it readable if I ever were to share this code with anyone …
Why is the condition in this callback always returns false?
I have a home SPA based on Vue. One of the components is driven by a v-if=”isDisplayed”. This isDisplayed is set by listening to a MQTT topic (see footnote) and new messages received are …
checking for null in javascript
if (valid === null) { return ”; } else if (!valid) { return ‘is-not-valid’; } else if (valid) { return ‘is-valid’; } else { return ”; } I have the above if-else-if chain in the code, trying …
Convert if statements into ternary conditional operators
Apologize if it’s seems simple, I’m stack on this. I want to convert these if statements into ternary condition : if a!=’-‘ && b!=’_’ action A else if a==’-‘ action B else action C I tried …
JavaScript shorthand ternary operator
I know that in PHP 5.3 instead of using this redundant ternary operator syntax: startingNum = startingNum ? startingNum : 1 …we can use a shorthand syntax for our ternary operators where applicable:…
How do you use the ? : (conditional) operator in JavaScript?
In simple words, what is the ?: (conditional, “ternary”) operator and how can I use it?