Is it possible to pass a number instead of a string to Angular's matToolTip within a mat-icon-button? If not, is there a way to convert the number to a string within an Angular

Question

Is it possible to pass a number instead of a string to Angular's matToolTip within a mat-icon-button? If not, is there a way to convert the number to a string within an Angular

In my current situation, I am facing a challenge with the following line of code:

[matTooltip]="ratingId + 1"

. This line is crucial as it forms part of the arguments for a Material Design button.

However, in this case, things are not straightforward due to our usage of Typescript. The variable ratingId holds a number, and adding 1 to it also results in a number. On the other hand, the [matTooltip] directive expects a string value.

I have come across several solutions for converting numbers to strings in Typescript, but none seem to address this particular issue within the template itself.

angular typescript

Answer 1

Answer №1

When working with matTooltip, remember that the final output should be a string, but you can bind any value that can be converted into a string. For instance, you can utilize a ternary operator in this manner:

[matTooltip]="!condition ? value : ''"

If we apply this to your situation, it could look something like this:

[matTooltip]="'ratingId + 1'"

Answer 2

When working with matTooltip, remember that the final output should be a string, but you can bind any value that can be converted into a string. For instance, you can utilize a ternary operator in this manner:

[matTooltip]="!condition ? value : ''"

If we apply this to your situation, it could look something like this:

[matTooltip]="'ratingId + 1'"

Is it possible to pass a number instead of a string to Angular's matToolTip within a mat-icon-button? If not, is there a way to convert the number to a string within an Angular

Answer №1

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