Exam Code: JAVASCRIPT-DEVELOPER-I
Exam Name: Salesforce Certified JavaScript Developer I
Updated: Apr 19, 2024
Q&As: 223
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Refer to thecode below:
let sayHello = () => {
console.log (`Hello, world!');
};
Which code executes sayHello once, two minutes from now?
A. setTimeout(sayHello, 12000);
B. setInterval(sayHello, 12000);
C. setTimeout(sayHello(), 12000);
D. delay(sayHello, 12000);
A developer wants to iterate through an array of objects and count the objects and count the objects whose property value, name, starts with the letter N. Const arrObj = [{"name" : "Zach"} , {"name" : "Kate"},{"name" : "Alise"},{"name" : "Bob"},
{"name" : "Natham"},{"name" : "nathaniel"}
Refer to the code snippet below:
01 arrObj.reduce(( acc, curr) => {
02 //missing line 02
02 //missing line 03
04 ).0);
Which missing lines 02 and 03 return the correct count?
A. Const sum = curr.startsWith(`N') ? 1: 0; Return acc +sum
B. Const sum = curr.name.startsWith(`N') ? 1: 0; Return acc +sum
C. Const sum = curr.startsWIth(`N') ? 1: 0; Return curr+ sum
D. Constsum = curr.name.startsWIth(`N') ? 1: 0; Return curr+ sum
Refer to the following code:
What is the output of line 11?
A. [1,2]
B. ["bar", "foo"]
C. ["foo:1", "bar:2"]
D. ["foo", "bar"]
Refer to the code:
Given the code above, which three properties are set for pet1? Choose 3 answers
A. name
B. owner
C. type
D. canTalk
E. size
Given the code below:
const delay = async delay =>{
return new Promise((resolve,reject)=>{
console.log(1);
setTimeout(resolve,deleay);
});
};
const callDelay =async ()=>{
console.log(2);
const yup = await delay(1000);
console.log(3);
}
console.log(4);
callDelay();
console.log(5);
What is logged to the console?
A. 4 2 1 5 3
B. PlaceHolder
C. PlaceHolder
D. PlaceHolder
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