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To be eligible to take the Salesforce JavaScript-Developer-I certification exam, candidates must have experience in developing custom applications using JavaScript and must have a solid understanding of the Salesforce platform, including its data model, security model, and user interface. Candidates must also have completed the Salesforce Platform Developer I certification exam, which validates their knowledge of the Salesforce platform and its development tools. The JavaScript-Developer-I Certification Exam is an excellent way for developers to enhance their skills, demonstrate their expertise, and increase their career opportunities within the Salesforce ecosystem.

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To pass the Salesforce JavaScript-Developer-I exam, you must have a deep understanding of JavaScript and its related technologies, as well as a solid understanding of the Salesforce platform. You will be tested on your ability to design, develop, test, and deploy custom applications that meet the specific needs of your clients. JavaScript-Developer-I Exam consists of 60 multiple-choice questions and you have 105 minutes to complete it. Upon passing the exam, you will receive the Salesforce Certified JavaScript Developer I credential, which will demonstrate your expertise in JavaScript development on the Salesforce platform.

Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q118-Q123):

NEW QUESTION # 118
Refer to the following code:

Which statement should be added to line 09 for the code to display. The truck 123AB has a weight of 5000 Ib. '?

Answer: A,C,D


NEW QUESTION # 119
A developer implements and calls the following code when an application state change occurs:

If the back button is clicked after this method is executed, what can a developer expect?

Answer: C


NEW QUESTION # 120
Refer to the code below:
Const searchTest = 'Yay! Salesforce is amazing!" ;
Let result1 = searchText.search(/sales/i);
Let result 21 = searchText.search(/sales/i);
console.log(result1);
console.log(result2);
After running this code, which result is displayed on the console?

Answer: D

Explanation:


NEW QUESTION # 121
At Universal Containers, every team has its own way of copying JavaScript objects. The code snippet shows an implementation from one team:
01 function Person() {
02 this.firstName = " John " ;
03 this.lastName = " Doe " ;
04 this.name = () = > {
05 console.log( ' Hello ${this.firstName} ${this.lastName} ' );
06 }
07 }
08
09 const john = new Person();
10 const dan = JSON.parse(JSON.stringify(john)); // (intended deep copy)
11 dan.firstName = ' Dan ' ;
12 dan.name();
(Original line 10 is logically intended to be JSON.parse(JSON.stringify(john)) to perform a JSON clone.) What is the output of the code execution?

Answer: B

Explanation:
* JSON.stringify(john) converts the john object into a JSON string.
* When you JSON.parse that string back, you get a plain object :
* Only data that can be represented in JSON is preserved (numbers, strings, booleans, arrays, plain objects).
* Functions are not preserved and are dropped.
* So dan is a plain object with properties firstName and lastName, but no name method .
* Therefore, dan.name is undefined, and dan.name() throws:
TypeError: dan.name is not a function
The literal string interpolation inside console.log( ' Hello ${...} ' ) is also wrong (single quotes), but the code never reaches that line.


NEW QUESTION # 122
developer wants to use a module named universalContainersLib and them call functions from it.
How should a developer import every function from the module and then call the functions foo and bar ?

Answer: C


NEW QUESTION # 123
......

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