JavaScript-Developer-I Valid Real Test | JavaScript-Developer-I Vce File

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JavaScript-Developer-I is an Salesforce certification exam, so JavaScript-Developer-I is the first step to set foot on the road of Salesforce certification. JavaScript-Developer-I certification exam become more and more fiery and more and more people participate in JavaScript-Developer-I Exam, but passing rate of JavaScript-Developer-I certification exam is not very high.When you select JavaScript-Developer-I exam, do you want to choose an exam training courses?

Benefits in Obtaining Salesforce JavaScript-Developer-I Certification

With the introduction of the Lightning Experience by Salesforce, it is possible to develop cool, looking applications for a wide range of tasks. Admins have been able to create beautiful pages for their objects more than ever, with an interface entirely tailored for each user.For developers, the same application has never before been possible for Salesforce developers to create applications that stretch well beyond Salesforce's declarative features. It's all achieved with the use of a JavaScript application for Lightning & Lightning Web components.

The certification for JavaScript Developer I has just been released and fills a large gap in the certification list for Salesforce. Salesforce Developers who want to prove their Lightning skills, but also new entrants into the Salesforce community, are certified to demonstrate that they know what is relevant. A typical Salesforce 60 multi-choice test is split into two parts and is influenced by a super badge (Similar to Developer II certification).

Salesforce is a leading provider of customer relationship management (CRM) software solutions that are designed to help businesses manage their customer interactions and improve their overall customer service. As a Salesforce developer, it is important to have a strong understanding of JavaScript, as it is one of the most widely used programming languages for building web applications.

Salesforce JavaScript-Developer-I Certification is a highly respected certification that showcases a developer's expertise in developing custom applications using JavaScript in the Salesforce platform. Salesforce Certified JavaScript Developer (JS-Dev-101) certification can help professionals to enhance their career opportunities, increase their earning potential, and get recognized as experts in the industry. Passing the Salesforce Certified JavaScript Developer I exam requires a strong knowledge of JavaScript programming language and its applications in the Salesforce platform.

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Prep4sureExam Salesforce JavaScript-Developer-I PDF Dumps Format

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Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q113-Q118):

NEW QUESTION # 113
Considering type coercion, what does the following expression evaluate to?
True + '13' + NaN

Answer: C


NEW QUESTION # 114
A developer is asked to fix some bugs reported by users. To do that, the developer adds
a breakpoint for debugging.
Function Car (maxSpeed, color){
This.maxspeed =masSpeed;
This.color = color;
Let carSpeed = document.getElementById(' CarSpeed');
Debugger;
Let fourWheels =new Car (carSpeed.value, 'red');
When the code execution stops at the breakpoint on line 06, which two types of information are
available in the browser console ?
Choose 2 answers:

Answer: B,C


NEW QUESTION # 115
Which three browser specific APIs are available for developers to persist data between page loads?

Answer: A,C,E

Explanation:
We want mechanisms that persist data between page loads (i.e., after refresh or navigation), in the browser.
* A. localStorage
* Part of the Web Storage API.
* Data persists across page reloads and browser restarts (until explicitly cleared).
* Scoped per origin (protocol + host + port).
* This is a correct persistent storage API.
* B. indexedDB
* A low-level, client-side NoSQL database in the browser.
* Stores large amounts of structured data and persists across reloads and sessions.
* This is also a correct persistent API.
* C. cookies
* Small key/value pairs stored by the browser and often sent with HTTP requests.
* Can have expiration dates and persist across page loads and sessions.
* They are a traditional persistence mechanism in browsers.
* So cookies also qualify.
* D. global variables
* Global JS variables exist only for the life of the current page context.
* When the page is refreshed or navigated away, they are lost.
* They do not persist between page loads.
* E. IIFEs (Immediately Invoked Function Expressions)
* A pattern for creating a new scope, not a persistence mechanism.
* Variables inside an IIFE are still lost when the page reloads.
Thus, the three persistent browser APIs are:
* localStorage
* indexedDB
* cookies


NEW QUESTION # 116
A developer wants to create an object from a function in the browser using the code below.

What happens due to the lack of the mm keyword on line 02?

Answer: A


NEW QUESTION # 117
Given the following code:
let x = null;
console.log(typeof x);
What is the output?

Answer: B


NEW QUESTION # 118
......

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