Printable PDFSalesforce JAVASCRIPT-DEVELOPER-I Exam Questions & Answers
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Vendor: Salesforce
Exam Code: JAVASCRIPT-DEVELOPER-I
Exam Name: Salesforce Certified JavaScript Developer I
Certification Provider: Salesforce
Total Questions: 223 Q&A
Updated on: Jan 10, 2025
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JAVASCRIPT-DEVELOPER-I Online Practice Questions and Answers
A developer is asked to fix some bugs reported by users. Todo 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:
A. The values of the carSpeed and fourWheels variables
B. A variable displaying the number of instances created for theCar Object.
C. The style, event listeners and other attributes applied to the carSpeed DOM element
D. The information stored in the window.localStorage property
A developer has an ErrorHandler module that contains multiple functions. What kind of export should be leveraged so that multiple functions can be used?
A. all
B. named
C. multi
D. default
A developer has a formatName function that takes two arguments, firstName and lastName and returns a string. They want to schedule the function to run once after five seconds.
What is the correct syntax to schedule this function?
A. setTimeout(formatName(), 5000, "John", "BDoe");
B. setTimeout (formatName('John', `'Doe'), 5000);
C. setTimout(() => { formatName("John', 'Doe') }, 5000);
D. setTimeout ('formatName', 5000, 'John", "Doe');
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