Higher Test Marks with Free Online JS-Dev-101 Exam Practice

Assess the CertsIQ’s updated JS-Dev-101 exam questions for free online practice of your Salesforce Certified JavaScript Developer - Multiple Choice test. Our Javascript-Developer-I JS Dev 101 dumps questions will enhance your chances of passing the Salesforce Certified Developer certification exam with higher marks.

Exam Code: JS-Dev-101
Exam Questions: 217
Salesforce Certified JavaScript Developer - Multiple Choice
Updated: 29 Apr, 2026
Question 1

Which statement can a developer apply to increment the browser's navigation history without a page refresh?

Options :
Answer: C

Question 2

Given the code below:const delay = sync delay => {Return new Promise((resolve, reject) => {setTimeout (resolve, delay);});};const callDelay =async () =>{const yup =await delay(1000);console.log(1);What is logged to the console?

Options :
Answer: D

Question 3

Refer to the following array:Let arr = [1, 2, 3, 4, 5];Which three options result in x evaluating as [1, 2]?Choose 3 answer

Options :
Answer: A,B,C

Question 4

Refer to code below:console.log(0);setTimeout(() => (console.log(1);});console.log(2);setTimeout(() => {console.log(3);), 0);console.log(4);In which sequence will the numbers be logged?

Options :
Answer: C

Question 5

Why would a developer specify a package.jason as a developed forge instead of a dependency ?

Options :
Answer: B

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