Apr 13, 2017 · I am trying to discern the difference between: if else and else if How do you use these? And when do you use them and when not?

Explains how to use "*ngIf else" in Angular for conditional rendering of HTML elements.

Jul 21, 2010 · The else clause is only executed after the while condition is evaluated to be false. Thus, if you break out of the loop, or if an exception is raised, the else won't be executed …

But if the chain of the related If's occur inside of a function and each would execute a [return] statement, then the net effect of multiple if's matches using else if. However, it'd still be better …

In your case, whether you need an else clause depends on whether you want specific code to run if and only if neither of condition1, condition2, and condition3 are true. else can be omitted for …

One reason very old languages use this distinct syntax instead of "else if" is that the "else if" introduces a grammar ambiguity. Old parser generators were hard to teach about what to do …

Oct 6, 2012 · Not the same. 'else if' is generally to be preferred, because you can keep inserting or appending more of them indefinitely, or append an 'else', whereas with the other form you …

Jan 28, 2016 · That is, every if - else if must end with an else, and every switch must end with a default. There are two reasons for this: Self-documenting code. If you write an else but leave it …

Feb 13, 2016 · Almost 10 years after this question has been asked and after programming with Python for 3 years, this is the first time I've seen the "for-else", "while-else" construct. I hope its …

Dec 25, 2012 · Is there an easier way of writing an if-elif-else statement so it fits on one line? For example, if expression1: statement1 elif expression2: statement2 else: statement3 Or a real …