Follow-up · depth 9
Compare Built-in Control Flow @if @for @switch with a common alternative in a design review
Compare Built-in Control Flow @if @for @switch with a common alternative in a design review
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Audio N/AQuick interview answer
Compare Built-in Control Flow @if @for @switch vs the usual alternative on complexity, latency, failure modes, and ops cost. Pros: Clearer templates; forces track for lists. Cons: Muscle memory of structural directives.
Detailed answer
Design-review comparison for Built-in Control Flow @if @for @switch: Axes: correctness, latency, throughput, complexity, operability. From the topic: Pros: Clearer templates; forces track for lists. Cons: Muscle memory of structural directives. Recommendation: pick Built-in Control Flow @if @for @switch when its strengths match the SLO; otherwise choose the alternative and say why. Parent context: At Senior depth: start with the problem, then mechanism, then a short example. New template syntax replaces *ngIf/*ngFor for many cases: @if, @for (with track), @switch.
Full explanation
Show a clear decision framework, not “it depends” with no criteria. Pros: Clearer templates; forces track for lists. Cons: Muscle memory of structural directives.
Follow-up questions
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Parent context — Built-in Control Flow @if @for @switch
At Senior depth: start with the problem, then mechanism, then a short example. New template syntax replaces *ngIf/*ngFor for many cases: @if, @for (with track), @switch.
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