I have logic which work good -> example:
<div *ngIf="pagination && pagination.tp >= 1">
...
</div>
This is work good. When I want to set my values inside ts and switch logic in ts.file component:
<div *ngIf="isPagination">
...
</div>
and inside ts component:
public isPagination() {
return this.pagination && this.pagination?.tp >= 1 ? false : true;
}
No work.
WHy ?
I am also try with:
<div *ngIf="isPagination()"> add only () isPagination()
...
</div>
No work
What is problem ?
CodePudding user response:
Because your isPagination
method returns the exact opposite of what you expect. There's no need for the ternary operator part (condition1 && condition2 ? true : false
) - the statement will be coerced into a boolean anyway.
This is the correct function:
public isPagination() {
return this.pagination && this.pagination?.totalPages >= 1;
}
CodePudding user response:
Your isPagination
method should be rearrange as suggested by @tsvetan-ganev.
Other than that you must invoke isPagination method with Parenthesis.
<div *ngIf="isPagination()">
</div>