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Whenever one of them fires (a timer, an event, a resolved promise), Zone.js notifies Angular so it can trigger a change detection pass — without this, Angular would have no automatic signal that application state might have changed.",{"id":170,"topic":9,"difficulty":153,"body":171,"options":172,"correct_key":160,"explanation":181},"019f79bd-8fc6-7546-b9c3-2037946558bd","If every component in an Angular tree explicitly uses `ChangeDetectionStrategy.Eager` (called `Default` before Angular 22), which components does a change detection cycle check?",[173,175,177,179],{"key":157,"text":174},"Only the components whose `@Input` bindings happened to change since the last cycle",{"key":160,"text":176},"Every component in the tree, from the root downward",{"key":163,"text":178},"Only the components currently scrolled into the visible viewport",{"key":166,"text":180},"Only the root component itself, ignoring its children entirely","In an all-`Eager` tree, Angular walks the component tree top-to-bottom on every CD cycle and re-checks each view's template bindings. `Default` is the deprecated legacy alias for `Eager`; since Angular 22, an unspecified component strategy is `OnPush`, so the question explicitly opts every component into `Eager`.",{"id":183,"topic":9,"difficulty":153,"body":184,"options":185,"correct_key":163,"explanation":194},"019f79bd-8fc8-7639-9ac3-9a9baa59b454","In one sentence, what does `ChangeDetectionStrategy.OnPush` do?",[186,188,190,192],{"key":157,"text":187},"It removes the component from change detection entirely, so its view is frozen at whatever it rendered the first time",{"key":160,"text":189},"It only re-runs the component's check whenever one of its stylesheet rules or CSS classes changes",{"key":163,"text":191},"It limits checks to specific triggers, such as a changed input value, an event in its subtree, a template-read signal update, `AsyncPipe`, or a manual notification",{"key":166,"text":193},"It disables Zone.js for the whole application, so no component gets automatic async notifications anymore","`OnPush` doesn't opt a component out of change detection — it narrows down WHEN it gets checked. A changed primitive input or a new object reference can trigger it, as can an event in its subtree, a signal consumed by its template, `AsyncPipe`, and explicit APIs such as `markForCheck()` or `detectChanges()`.",{"id":196,"topic":9,"difficulty":153,"body":197,"options":198,"correct_key":166,"explanation":207},"019f79bd-8fcb-7d3b-99c7-d73d839e08a7","What is an Angular Signal (Angular 16+), at a basic level?",[199,201,203,205],{"key":157,"text":200},"Just a newer name Angular introduced for an existing RxJS `Observable`, with the exact same subscribe-based API",{"key":160,"text":202},"A template-only piece of syntax that has no corresponding runtime object or value at all",{"key":163,"text":204},"A specialized API introduced only for configuring `HttpClient` request caching and retries",{"key":166,"text":206},"A reactive, synchronous wrapper around a value that tracks who reads it, so dependents can be notified when it changes","A signal is a lightweight, synchronous primitive holding a value. When code reads a signal (e.g. inside a `computed` or template), Angular records that dependency, so it knows exactly what to update when the signal's value changes.",{"id":209,"topic":9,"difficulty":153,"body":210,"options":211,"correct_key":157,"explanation":220},"019f79bd-8fce-7502-b2f0-ce4292d99148","How do you read the current value of a signal created with `signal(0)`?",[212,214,216,218],{"key":157,"text":213},"Call it as a function: `mySignal()`",{"key":160,"text":215},"Access its `.value` property, like a ref",{"key":163,"text":217},"Call `.get()` on it",{"key":166,"text":219},"Read it directly like a plain variable, no call needed","Signals are callable — invoking `mySignal()` returns its current value and, if called inside a reactive context (template, `computed`, `effect`), registers a dependency on it.",{"id":222,"topic":9,"difficulty":153,"body":223,"options":224,"correct_key":160,"explanation":233},"019f79bd-8fd1-7313-9167-22c7550d7ca4","What does calling `ChangeDetectorRef.markForCheck()` do?",[225,227,229,231],{"key":157,"text":226},"It synchronously renders the component and its whole subtree immediately, right when you call it",{"key":160,"text":228},"It marks the component (even if `OnPush`) as needing to be checked on the next change detection cycle",{"key":163,"text":230},"It removes the component from the CD tree, the same effect as calling `detach()`",{"key":166,"text":232},"It forces Zone.js to schedule and run one extra global change detection cycle across the entire app","`markForCheck()` doesn't run change detection itself — it marks the view and the necessary ancestor path so a later change-detection traversal can reach and check it. In zoneless mode this call is also one of Angular's scheduler notification sources; `detectChanges()` is the API that performs an immediate local check.",{"fields":235,"seniorities":410,"interview_shapes":411,"locales":416,"oauth":418,"question_count":421,"coach_enabled":422,"jd_match_enabled":422},[236,261,270,287,311,324,343,362,384,391,397,404],{"key":237,"name_tr":238,"name_en":238,"sort":153,"specializations":239},"backend","Backend",[240,243,246,249,252,255,258],{"key":241,"name":242,"field":237},"general","Genel",{"key":244,"name":245,"field":237},"go","Go",{"key":247,"name":248,"field":237},"python","Python",{"key":250,"name":251,"field":237},"java","Java",{"key":253,"name":254,"field":237},"csharp","C#\u002F.NET",{"key":256,"name":257,"field":237},"nodejs","Node.js",{"key":259,"name":260,"field":237},"php","PHP",{"key":5,"name_tr":6,"name_en":6,"sort":262,"specializations":263},2,[264,265,266,267,268,269],{"key":241,"name":242,"field":5},{"key":139,"name":140,"field":5},{"key":145,"name":146,"field":5},{"key":142,"name":143,"field":5},{"key":148,"name":149,"field":5},{"key":135,"name":136,"field":5},{"key":271,"name_tr":272,"name_en":272,"sort":273,"specializations":274},"fullstack","Fullstack",3,[275,276,277,278,279,280,281,282,283,284,285,286],{"key":241,"name":242,"field":271},{"key":244,"name":245,"field":237},{"key":247,"name":248,"field":237},{"key":250,"name":251,"field":237},{"key":253,"name":254,"field":237},{"key":256,"name":257,"field":237},{"key":259,"name":260,"field":237},{"key":139,"name":140,"field":5},{"key":145,"name":146,"field":5},{"key":142,"name":143,"field":5},{"key":148,"name":149,"field":5},{"key":135,"name":136,"field":5},{"key":288,"name_tr":289,"name_en":289,"sort":290,"specializations":291},"devops-cloud","DevOps \u002F Cloud",4,[292,293,296,299,302,305,308],{"key":241,"name":242,"field":288},{"key":294,"name":295,"field":288},"aws","AWS",{"key":297,"name":298,"field":288},"gcp","GCP",{"key":300,"name":301,"field":288},"azure","Azure",{"key":303,"name":304,"field":288},"kubernetes","Kubernetes",{"key":306,"name":307,"field":288},"terraform","Terraform",{"key":309,"name":310,"field":288},"linux","Linux",{"key":312,"name_tr":313,"name_en":313,"sort":314,"specializations":315},"ai-engineer","AI Engineer",5,[316,317,318,321],{"key":241,"name":242,"field":312},{"key":247,"name":248,"field":312},{"key":319,"name":320,"field":312},"llm-rag","LLM\u002FRAG",{"key":322,"name":323,"field":312},"mlops","MLOps",{"key":325,"name_tr":326,"name_en":327,"sort":328,"specializations":329},"database","Veritabanı","Database",6,[330,331,334,337,340],{"key":241,"name":242,"field":325},{"key":332,"name":333,"field":325},"postgresql","PostgreSQL",{"key":335,"name":336,"field":325},"mysql","MySQL",{"key":338,"name":339,"field":325},"mongodb","MongoDB",{"key":341,"name":342,"field":325},"redis","Redis",{"key":344,"name_tr":345,"name_en":346,"sort":347,"specializations":348},"mobile","Mobil","Mobile",7,[349,350,353,356,359],{"key":241,"name":242,"field":344},{"key":351,"name":352,"field":344},"ios-swift","iOS (Swift)",{"key":354,"name":355,"field":344},"android-kotlin","Android (Kotlin)",{"key":357,"name":358,"field":344},"flutter","Flutter",{"key":360,"name":361,"field":344},"react-native","React Native",{"key":363,"name_tr":364,"name_en":365,"sort":366,"specializations":367},"security","Güvenlik","Security",8,[368,369,372,375,378,381],{"key":241,"name":242,"field":363},{"key":370,"name":371,"field":363},"appsec","AppSec",{"key":373,"name":374,"field":363},"offensive-pentest","Offensive \u002F Pentest",{"key":376,"name":377,"field":363},"cloud-security","Cloud Security",{"key":379,"name":380,"field":363},"devsecops","DevSecOps",{"key":382,"name":383,"field":363},"blue-team-incident","Blue Team \u002F Incident",{"key":385,"name_tr":386,"name_en":387,"sort":388,"specializations":389},"qa-test-automation","QA \u002F Test Otomasyonu","QA \u002F Test Automation",9,[390],{"key":241,"name":242,"field":385},{"key":392,"name_tr":393,"name_en":393,"sort":394,"specializations":395},"data-engineer","Data Engineer",10,[396],{"key":241,"name":242,"field":392},{"key":398,"name_tr":399,"name_en":400,"sort":401,"specializations":402},"game-dev","Oyun Geliştirme","Game Development",11,[403],{"key":241,"name":242,"field":398},{"key":405,"name_tr":406,"name_en":406,"sort":407,"specializations":408},"ml-engineer","ML Engineer",12,[409],{"key":241,"name":242,"field":405},[14,15,16],{"junior":412,"mid":414,"senior":415},{"questions":413,"median_sec":3},20,{"questions":413,"median_sec":3},{"questions":413,"median_sec":3},[417,10],"tr",[419,420],"google","github",21750,true]