認定するJavaScript-Developer-I基礎問題集一回合格-素晴らしいJavaScript-Developer-I合格体験談多くのIT業界の友達によるとSalesforce認証試験を準備することが多くの時間とエネルギーをかからなければなりません。もし訓練班とオンライン研修などのルートを通じないと試験に合格するのが比較的に難しい、一回に合格率非常に低いです。JPTestKingはもっとも頼られるトレーニングツールで、SalesforceのJavaScript-Developer-I認定試験の実践テストソフトウェアを提供したり、SalesforceのJavaScript-Developer-I認定試験の練習問題と解答もあって、最高で最新なSalesforceのJavaScript-Developer-I認定試験「Salesforce Certified JavaScript Developer I Exam」問題集も一年間に更新いたします。 Salesforce Certified JavaScript Developer I Exam 認定 JavaScript-Developer-I 試験問題 (Q135-Q140):質問 # 135
In the browser, the window object is often used to assign variables that require the broadest scope in an application Node.js application does not have access to the window object by default.
Which two methods are used to address this ?
Choose 2 answers
A. Use the document object instead of the window object.
B. Assign variables to module.exports and require them as needed.
C. Create a new window object in the root file.
D. Assign variables to the global object.
正解：D
質問 # 136
Refer to the code below:
const addBy = ?
const addByEight =addBy(8);
const sum = addBYEight(50);
Which two functions can replace line 01 and return 58 to sum?
Choose 2 answers
A. const addBy = (num1) => num1 + num2 ;
B. const addBY = (num1) => (num2) => num1 + num2;
C. const addBy = function(num1){
return num1 + num2;
}
質問 # 137
A developer wants to use a module called DataPrettyPrint. This module exports one default function called printDate ().
How can a developer import and use the printDate() function?
A)
B)
C)
D)
A. Option B
B. Option C
C. Option D
D. Option A
正解：A
質問 # 138
Which two console logs outputs NaN ?
Choose 2 answers
A. console.log(10/0);
B. console.log(10/ Number('5'));
C. console.log(10/ ''five);
D. console.log(parseInt('two'));
正解：C、D
質問 # 139
A developer creates a new web server that uses Node.js. It imports a server library that uses events and callbacks for handling server functionality.
The server library is imported with require and is made available to the code by a variable named server. The developer wants to log any issues that the server has while booting up.
Given the code and the information the developer has, which code logs an error at boot time with an event?
A)
B)
C)
D)
