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JavaScript-Developer-I dumps questions answers

Salesforce JavaScript-Developer-I Dumps

Exam Code:
JavaScript-Developer-I
Exam Name:
Salesforce Certified JavaScript Developer I (WI24)
Last Update: Mar 16, 2024
213 Questions with Explanation
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Front-end developers need a solid understanding of JavaScript. Proficiency in core concepts like DOM manipulation, event handling, and AJAX is crucial. Advanced knowledge in frameworks like React or Angular can be beneficial for complex projects.

To become a JavaScript developer quickly, follow these steps:

  1. Start with the basics.
  2. Practice coding regularly.
  3. Work on real projects.
  4. Learn from online resources.
  5. Join coding communities.
  6. Seek mentorship or take courses.
  7. Build a strong portfolio to showcase your skills.
  8. Apply for entry-level positions and internships.

To secure a role as a junior web developer, focus on a solid foundation in HTML5, CSS3, and JavaScript. Proficiency in these technologies, along with the ability to build and style web pages, create interactive features, and solve problems, is typically sufficient for entry-level positions.

Front-end developers should have a strong grasp of JavaScript. Familiarity with core concepts like DOM manipulation, event handling, and AJAX is essential. Proficiency in front-end frameworks like React, Angular, or Vue.js can be advantageous for more complex projects.

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Salesforce Certified JavaScript Developer I (WI24) Questions and Answers

Questions 1

Given the JavaScript below:

01 function filterDOM (searchString) {

02 const parsedSearchString = searchString && searchString.toLowerCase() ;

03 document.quesrySelectorAll(‘ .account’ ) . forEach(account => (

04 const accountName = account.innerHTML.toLOwerCase();

05 account. Style.display = accountName.includes(parsedSearchString) ? /*Insert

code*/;

06 )};

07 }

Which code should replace the placeholder comment on line 05 to hide accounts that do

not match the search string?

Options:

A.

‘ name ’ : ‘ block ’

B.

‘ Block ’ : ‘ none ’

C.

‘ visible ’ : ‘ hidden ’

D.

‘ hidden ’ : ‘ visible ’

Questions 2

Refer to the code below:

Const pi = 3.1415326,

What is the data type of pi?

Options:

A.

Double

B.

Number

C.

Decimal

D.

Float

Questions 3

The developer has a function that prints “Hello” to an input name. To test this, thedeveloper created a function that returns “World”. However the following snippet does not print “ Hello World”.

What can the developer do to change the code to print “Hello World” ?

Options:

A.

Change line 7 to ) () ;

B.

Change line 2 to console.log(‘Hello’ , name() );

C.

Change line 9 to sayHello(world) ();

D.

Change line 5 to function world ( ) {