Can ngClass use ternary operator in Angular 2?

Question

In Angular 1, the code below works well.

But when I try to do simi

Answer 1

Yes. What you wrote works:

Plunker

The result of the expression on the the right-hand side has to evaluate to one of the following:

• a string of space-delimited CSS class names (this is what your expression returns)
• an Array of CSS class names
• an Object, with CSS class names as keys, and booleans as values

Maybe you had some other error in your code?