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Salesforce JavaScript-Developer-I日本語 Exam Braindumps - in .pdf Free Demo

  • Exam Code: JavaScript-Developer-I-JPN
  • Exam Name: Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版)
  • , Last Updated: Oct 07, 2026
  • Q & A: 149 Questions and Answers
  • Convenient, easy to study. Printable Salesforce JavaScript-Developer-I日本語 PDF Format. It is an electronic file format regardless of the operating system platform. 100% Money Back Guarantee.
  • PDF Price: $69.99    

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  • Exam Code: JavaScript-Developer-I-JPN
  • Exam Name: Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版)
  • , Last Updated: Oct 07, 2026
  • Q & A: 149 Questions and Answers
  • Uses the World Class JavaScript-Developer-I日本語 Testing Engine. Free updates for one year. Real JavaScript-Developer-I日本語 exam questions with answers. Install on multiple computers for self-paced, at-your-convenience training.
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About Salesforce JavaScript-Developer-I日本語 Exam Braindumps

In 2026, busy professionals preparing for JavaScript-Developer-I日本語 need study material that respects their schedule: ExamsTorrent organizes 149+ Q&As covering the Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版) objectives into a question bank you can review whenever time allows.

Salesforce JavaScript-Developer-I日本語 Exam Syllabus Topics:

SectionObjectives
Asynchronous JavaScript- Error handling in async workflows
- Promises and async/await
- Event loop and concurrency model
JavaScript Language Fundamentals- Data types, variables, and operators
- ES6+ syntax and features
- Functions, scope, and closures
Testing and Debugging- Unit testing principles
- Debugging techniques and tools
Salesforce Platform Integration- Security considerations in Salesforce JavaScript
- Lightning Web Components (LWC) JavaScript usage
- Calling Apex methods from JavaScript
Browser and DOM Interaction- DOM manipulation and traversal
- Event handling and propagation
- Browser APIs (fetch, storage, timers)

What Candidates Ask Before Preparing for JavaScript-Developer-I日本語 with ExamsTorrent

You can register through the official channel listed here: Salesforce Certification Registration (Webassessor) Salesforce Credentials Page Create an account, choose a test center or an online-proctored session, pick a date, and complete the payment to confirm your seat.
No formal prerequisites, but familiarity with JavaScript and Salesforce platform development is strongly recommended.
The current Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版) outline breaks down like this:
  • Asynchronous JavaScript ()
  • JavaScript Language Fundamentals ()
  • Testing and Debugging ()
Start your review with the heaviest sections and let the ExamsTorrent question bank fill in the details as you practice.
The exam contains about 60 questions and gives you 105 minutes minutes to finish them. Working through 149 practice questions for the JavaScript-Developer-I日本語 exam at ExamsTorrent trains you to hold a steady pace from the first item to the last.
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Salesforce Certified JavaScript Developer I Exam (JavaScript-Developer-I日本語版) Sample Questions:

Question #1

開発者が、イベントとコールバックを使用して構築されたクライアントライブラリを備えた新しいNode.jsサーバーをセットアップしています。
図書館:
* WebSocket接続を確立し、サーバーへのメッセージの受信を処理します。
* require でインポートされ、ws という変数で使用できるようになります。
* 開発者は、接続が失敗した場合にエラーログを記録する機能も追加したいと考えています。
この情報に基づいて、実行時にリッスンする2つのイベントを持つクライアントを正しく設定する方法を示しているコードセグメントはどれですか?

  • A. try {
    ws.connect(() = > {
    console.log( ' Connected to client ' );
    });
    } catch(error) {
    console.log( ' ERROR ' , error);
    }
  • B. ws.on( ' connect ' , () = > {
    console.log( ' Connected to client ' );
    });
    ws.on( ' error ' , (error) = > {
    console.log( ' ERROR ' , error);
    });
  • C. ws.connect(() = > {
    console.log( ' Connected to client ' );
    }).catch((error) = > {
    console.log( ' ERROR ' , error);
    });
  • D. ws.on( ' connect ' , () = > {
    console.log( ' Connected to client ' );
    });
    ws.on( ' error ' , (error) = > {
    console.log( ' ERROR ' , error);
    });
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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Question #2

文字列置換を可能にするコンソールログ出力方法:

  • A. 情報
  • B. assert
  • C. エラー
  • D. メッセージ
  • E. ログ
Reveal Solution  Discussion  0

Correct Answer: A,B,C,E  🗳️

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Question #3

開発者は、ユーザーから報告されたバグを修正するよう依頼された。そのため、開発者はデバッグ用のブレークポイントを追加する。
01 function Car(maxSpeed, color) {
02 this.maxSpeed = maxSpeed;
03 this.color = color;
04 }
05 let carSpeed = document.getElementById( ' carSpeed ' );
06 デバッガー;
07 let fourWheels = new Car(carSpeed.value, ' red ' );
コードの実行が6行目のブレークポイントで停止した場合、ブラウザのコンソールにはどのような2種類の情報が表示されますか?

  • A. window.localStorage プロパティに格納されている情報
  • B. 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
  • 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、その他の属性
Reveal Solution  Discussion  0

Correct Answer: A,D  🗳️

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Question #4

開発者は、try...catch 文を使用して countSheep() がスローする可能性のあるエラーをキャッチし、それを handleError() 関数に渡したいと考えています。
try...catch の正しい実装方法は何ですか?

  • A. try {
    setTimeout(function() {
    countSheep();
    }, 1000);
    } catch (e) {
    handleError(e);
    }
  • B. try {
    countSheep();
    } finally {
    handleError(e);
    }
  • C. setTimeout(function() {
    try {
    countSheep();
    } catch (e) {
    handleError(e);
    }
    }, 1000);
  • D. try {
    countSheep();
    } handleError (e){
    catch(e);
    }
Reveal Solution  Discussion  0

Correct Answer: C  🗳️

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Question #5

以下のコードを参照してください。
flag();
function flag() {
console.log( ' flag ' );
}
const anotherFlag = () = > {
console.log( ' another flag ' );
}
anotherFlag();
このコードブロックの実行結果は何ですか?

  • A. エラーが発生しました。
  • B. コンソールに「flag」とログが出力され、その後エラーが発生します。
  • C. コンソールには「フラグ」のみがログ出力されます。
  • D. コンソールに「フラグ」と「別のフラグ」がログ出力されます。
Reveal Solution  Discussion  0

Correct Answer: D  🗳️

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