Salesforce Certified JavaScript Developer I (CRT-600日本語版) : CRT-600日本語

CRT-600日本語 pass collection

Exam Code: CRT-600J

Exam Name: Salesforce Certified JavaScript Developer I (CRT-600日本語版)

Updated: Nov 07, 2026

Q & A: 225 Questions and Answers

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About Salesforce Certified JavaScript Developer I (CRT-600日本語版) : CRT-600日本語

Logic is the key in certification exams — and good preparation is knowing how questions are asked, not just what they ask. Sample ExamCost logic yourself with the free demo of the CRT-600日本語 questions before you buy the Salesforce Certified JavaScript Developer I (CRT-600日本語版) product.

Salesforce CRT-600日本語 Exam Syllabus Topics:

SectionWeightObjectives
Debugging and Testing12%- Write and run unit tests
- Code quality and linting
- Error handling and debugging techniques
Variables, Types, and Collections23%- Work with arrays, sets, maps, and JSON
- Declare and initialize variables
- Use primitive and reference data types
Server-Side JavaScript8%- Node.js basics and modules
- Use Node.js core APIs
Asynchronous Programming15%- Callbacks, promises, and async/await
- Timers and event loop
- Fetch API and HTTP requests
Browser and Events17%- DOM manipulation and traversal
- Event handling and propagation
- Browser APIs and development tools
Objects, Functions, and Classes25%- Implement classes, inheritance, and modules
- Define functions, scope, and closures
- Create and manipulate objects

Salesforce CRT-600日本語 Exam: Questions, Answered

Yes — ExamCost offers a free demo of the Salesforce Certified JavaScript Developer I (CRT-600日本語版) questions so you can evaluate the quality first. After purchase, 365 days of free updates are included; when the year ends, extend the update service at a 50% discount from your member zone.

The CRT-600日本語 exam is Salesforce's official certification test — pass it and the Salesforce Certified JavaScript Developer I credential is yours, a certification at the Developer level. It is considered a hot exam because employers consistently treat its certificate as proof of job-ready skill. Within the same track it relates to Salesforce Certified Platform Developer I, Salesforce Certified B2C Commerce Developer, which adds to its appeal.

Each Salesforce Certified JavaScript Developer I (CRT-600日本語版) attempt costs USD 200 (plus tax; retake USD 100), and 68% is the passing mark. Retakes are billed in full again, so preparation is where the money is saved. Drill with ExamCost practice questions until your timed mock scores clear 68% comfortably, then book the CRT-600日本語 exam once.

Salesforce recommends these options:

Training teaches the theory; the 225 practice questions for the CRT-600日本語 exam from ExamCost prove it under exam conditions.

The Salesforce Certified JavaScript Developer I (CRT-600日本語版) exam gives you 105 minutes for 60 + up to 5 unscored items questions. That time budget rewards decisiveness — confident answers, quick flags, no lingering. Rehearse the rhythm in the ExamCost test engine with full timed sessions until the real CRT-600日本語 exam feels like one more practice run.

The Salesforce Certified JavaScript Developer I (CRT-600日本語版) syllabus covers 6 areas, led by Variables, Types, and Collections (23%), Objects, Functions, and Classes (25%), Asynchronous Programming (15%). Study the heavy domains first; the full outline sits in the section above this page.

No mandatory prerequisites; recommended 1–2 years of JavaScript development experience These rules come from Salesforce and evolve over time, so verify them on the official exam page: https://trailhead.salesforce.com/credentials/certification-javascript-developer-i before registering for the Salesforce Certified JavaScript Developer I (CRT-600日本語版) exam.

Delivery first: your CRT-600日本語 product is emailed within one minute of payment — if nothing arrives within 2 hours, check spam and contact support for an immediate resend. On failure, the guarantee works in two ways. Refund: sit the corresponding CRT-600日本語 exam within 60 days of purchase, submit a scanned enrollment slip and the official Score Report PDF within 2 days after the exam, and the refund completes within 7 days — covering only the corresponding exam, excluding attempts within 3 days of purchase, never-taken exams, free materials, and expired orders, with the candidate name matching the payer name. Exchange: if you prefer, we will exchange your product for two free exam products of equal value, and your original purchase keeps its update service. Give it a thought — with terms this clear, you have a straightforward decision.

Keep in mind the exam is delivered via Online proctored or onsite at Pearson VUE test centers.

Salesforce Certified JavaScript Developer I (CRT-600日本語版) Sample Questions:

Question #1

開発者がページのロード間でデータを保持するために使用できるブラウザ固有の API を 3 つ選択してください。
3つの答えを選択してください

  • A. IIFE
  • B. クッキー
  • C. ローカル ストレージ。
  • D. グローバル変数
  • E. indexedDB
Reveal Solution  Discussion  0

Correct Answer: A,C,E  🗳️

Question #2

promise について正しい文を 3 つ選んでください。
3つの答えを選択してください

  • A. 履行または拒否されたプロミスは状態を変更しません。
  • B. 保留中の約束は、履行、解決、または拒否される可能性があります。
  • C. 解決済みの約束が解決される可能性があります。
  • D. Promise には .then() メソッドがあります。
  • E. 新しい Promise のエグゼキュータは自動的に実行されます。
Reveal Solution  Discussion  0

Correct Answer: A,B,D  🗳️

Question #3

以下のコードを参照してください。
for(let 数値​​ =2 ; 数値 <= 5 ; 数値 += 1 ) {
// ここにコード文を挿入
}
開発者は、示されている場所にコード ステートメントを挿入する必要があります。コード ステートメントには次の要件があります。
1. 輸入が必要
2. boolean ステートメントが false と評価された場合にエラーをログに記録します
3. ブラウザと Node.js の両方で動作します
要件を満たしているのはどれですか?

  • A. console.error(数値 % 2 === 0);
  • B. アサート (数値 % 2 === 0);
  • C. console.debug(数値 % 2 === 0);
  • D. console.assert(数値 % 2 === 0);
Reveal Solution  Discussion  0

Correct Answer: A  🗳️

Question #4

以下のコードを参照してください。
Const objBook = {
タイトル: 'Javascript',
};
Object.preventExtensions(objBook);
Const newObjBook = objBook;
newObjectBook.author = 'ロバート';
objBook と newObjBook の値はそれぞれ何ですか?

  • A. {作者: "ロバート", タイトル: "JavaScript}
    未定義
  • B. {作者: "ロバート"}
    {作者: "ロバート", タイトル: "JavaScript}
  • C. {作者: "ロバート", タイトル: "JavaScript}
    {作者: "ロバート", タイトル: "JavaScript}
  • D. [タイトル: "JavaScript"] [タイトル: "JavaScript"]
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

Question #5

開発者は、ユーザーから報告されたいくつかのバグを修正するよう求められます。そのために、開発者はデバッグ用のブレークポイントを追加します。
ファンクションカー(最大速度、色){
This.maxspeed =masSpeed;
This.color = 色;
carSpeed = document.getElementById(' CarSpeed'); とします。
デバッガ;
fourWheels = new Car (carSpeed.value, 'red'); とします。
コードの実行が 06 行目のブレークポイントで停止した場合、ブラウザ コンソールで利用できる情報は次のうちどれですか?
2つの答えを選択してください:

  • A. Car オブジェクト用に作成されたインスタンスの数を表示する変数。
  • B. window.localStorage プロパティに格納されている情報
  • C. carSpeed 変数と fourWheels 変数の値
  • D. carSpeed DOM 要素に適用されるスタイル、イベント リスナー、およびその他の属性
Reveal Solution  Discussion  0

Correct Answer: B,D  🗳️

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