Free Salesforce DEX602 Exam Questions

Which javascript methods can be used to serialize an object into a string and deserializea JSON string into an object, respectively?

Refer to the code below:Function changeValue(obj) {Obj.value = obj.value/2;}Const objA = (value: 10);Const objB = objA;changeValue(objB);Const result = objA.value;What is the value of result after the code executes?

Which function should a developer use to repeatedly execute code at a fixed interval ?

A developer creates a class that represents a blog post based on the requirement that aPost should have a body author and view count.The Code shown Below:Class Post {// Insert code hereThis.body =bodyThis.author = author;this.viewCount = viewCount;}}Which statement should be inserted in the placeholder on line 02 to allow for a variable to be setto a new instanceof a Post with the three attributes correctly populated?

Refer to the code snippet:Function getAvailabilityMessage(item) {If (getAvailability(item)){Var msg =''Username available'';}Return msg;}A developer writes this code to return a message to user attempting to register a newusername. If the username is available, variable.What is the return value of msg hen getAvailabilityMessage (''newUserName'' ) isexecuted and getAvailability(''newUserName'') returns false?