BEST Salesforce JavaScript-Developer-I DUMPS - PASS YOUR EXAM IN FIRST ATTEMPT
JavaScript-Developer-I exam has grabbed the interest of IT students with its rising need and importance in the field. In spite of being a hard core IT exam, it can easily be passed with the help of JavaScript-Developer-I dumps material.This highly demanded and results-producing authentic dumps material can be obtained from Exam4help.com. When you will prepare under the guidance of veterans by using additional facilitating services, your certification is stamped with success.
As a favor to our students, we have availed free of cost demo version for quick quality check before going forward. You get here trust, find satisfaction and meet your success with expertly verified JavaScript-Developer-I questions answer. You can download PDF study guide right now at very cheap and attractive price and pursue your career with fast pace. Further, it is the place where you get money back guarantee in case of, though not expected, unfortunate happening and you fail to get your desired result in your final exam. In short, you are promised for definite success with student-friendly preparatory solutions. Just join our hands and leap for your successful career.
Sample Questions
Question 1
Refer to code below: Let first = ‘who’; Let second = ‘what’; Try{ Try{ Throw new error(‘Sad trombone’); }catch (err){ First =’Why’; }finally { Second =’when’; } catch (err) { Second =’Where’; }
What are the values for first and second once the code executes ?
A. First is Who and second is When
B. First is why and second is where
C. First is who and second is where
D. First is why andsecond is when
ANSWER : D
Question 2
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?
A. 10
B. Nan
C. 5
D. Undefined
ANSWER : C
Question 3
A developer needs to test this function:
01const sum3 = (arr) => (
02if (!arr.length) return 0,
03if (arr.length === 1) return arr[0],
04if (arr.length === 2) return arr[0]+ arr[1],
05 return arr[0] + arr[1] + arr[2],
06 );
Which two assert statements are valid tests for the function?
Choose 2 answers
A. console.assert(sum3(1, ‘2’)) == 12);
B. console.assert(sum3(0)) == 0);
C. console.assert(sum3(-3, 2 )) == -1);
D. console.assert(sum3(‘hello’, 2, 3, 4)) === NaN);
ANSWER : A,C
Question 4
Refer to the following code:
Let obj ={
Foo: 1,
Bar: 2
}
Let output =[],
for(let something in obj{ output.push(something);
}
console.log(output);
What is the output line 11?
A. [1,2]
B. [“bar”,”foo”]
C. [“foo”,”bar”]
D. [“foo:1”,”bar:2”]
ANSWER : C
Question 5
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
EXAM CODE : JavaScript-Developer-I
