PDF JAVASCRIPT-DEVELOPER-I DOWNLOAD | SAMPLE JAVASCRIPT-DEVELOPER-I QUESTIONS

PDF JavaScript-Developer-I Download | Sample JavaScript-Developer-I Questions

PDF JavaScript-Developer-I Download | Sample JavaScript-Developer-I Questions

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Tags: PDF JavaScript-Developer-I Download, Sample JavaScript-Developer-I Questions, JavaScript-Developer-I Valid Exam Sims, Valid JavaScript-Developer-I Test Pattern, JavaScript-Developer-I Exam Dumps Collection

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Salesforce Certified JavaScript Developer I exam is designed for developers who have a strong understanding of JavaScript and its application within the Salesforce platform. Salesforce Certified JavaScript Developer I Exam certification is ideal for professionals who want to demonstrate their skills in building custom applications using JavaScript within the Salesforce environment. Salesforce Certified JavaScript Developer I Exam certification exam is intended for individuals who have experience in developing custom applications on the Salesforce platform, including Apex and Visualforce pages.

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Sample Salesforce JavaScript-Developer-I Questions & JavaScript-Developer-I Valid Exam Sims

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Salesforce JavaScript-Developer-I Certification Exam is designed to test a developer's knowledge and skills in using JavaScript with the Salesforce platform. Salesforce Certified JavaScript Developer I Exam certification is ideal for developers who want to demonstrate their ability to develop custom applications using JavaScript and the Salesforce Lightning platform.

In order to prepare for the Salesforce JavaScript-Developer-I exam, developers must have a strong understanding of JavaScript and its various frameworks and libraries. They should also be familiar with the Salesforce platform and its various features, such as Apex code and Visualforce pages. With the right preparation and study materials, developers can pass the exam and earn their certification, opening up new opportunities and career paths within the Salesforce ecosystem.

Salesforce Certified JavaScript Developer I Exam Sample Questions (Q173-Q178):

NEW QUESTION # 173
A developer implements and calls the following code when an application state change occurs:
Const onStateChange =innerPageState) => {
window.history.pushState(newPageState, ' ', null);
}
If the back button is clicked after this method is executed, what can a developer expect?

  • A. A navigate event is fired with a state property that details the previous application state.
  • B. The page is navigated away from and the previous page in the browser's history is loaded.
  • C. The page reloads and all Javascript is reinitialized.
  • D. A popstate event is fired with a state property that details the application's last state.

Answer: B


NEW QUESTION # 174
Refer to the code below:

What is the value of result after line 10 executes?

  • A. John Developer
  • B. Error: myFather.job is not a function
  • C. John undefined
  • D. undefined Developer

Answer: A


NEW QUESTION # 175
A developer is wondering whether to use, promise, then or provise, catch especially when a promise throws an error.
Which two promises are rejected? Choose 2 answers

  • A. Promise, rejected (Cool error here'), then (error => console (error ));
  • B. Promise , reject ('Cool error here ') , catch (error => console ,error (error));
  • C. New promise (() => (throw 'Cool error here ')) , then ((null, error => console, (error)));
  • D. New Promise((resolve, reject) => ( throw 'Cool error here')) .catch (error => console (error ));

Answer: C,D


NEW QUESTION # 176
Refer to the code below:
<html lang="en">
<tableonclick="console.log(Table log');">
<tr id="row1">
<td>Click me!</td>
</tr>
<table>
<script>
functionprintMessage(event) {
console.log('Row log');
}
Let elem = document.getElementById('row1');
elem.addEventListener('click', printMessage, false);
</script>
</html>
Which code change should be made for the console to log only Row log when 'Click me! ' is clicked?

  • A. Addevent.removeEventListener(); to window.onLoad event handler.
  • B. Add.event.stopPropagation(); to window.onLoad event handler.
  • C. Add event.removeEventListener(); toprintMessage function.
  • D. Add event.stopPropagation(); to printMessage function.

Answer: D


NEW QUESTION # 177
Refer to the code below:

What is display when the cod executes?

  • A. ReferenceError: b is not defined
  • B. Undefined
  • C. null
  • D. A

Answer: D


NEW QUESTION # 178
......

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