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Reliable JavaScript-Developer-I Braindumps Questions | Accurate Salesforce Certified JavaScript Developer (JS-Dev-101) 100% Free Exam Answers

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Salesforce Certified JavaScript Developer (JS-Dev-101) Sample Questions (Q140-Q145):

NEW QUESTION # 140
Refer to the following code:

What is the output of line 11?

A. ["foo:1", "bar:2"]
B. ["foo", "bar"]
C. [1,2]
D. ["bar", "foo"]

Answer: B

NEW QUESTION # 141
Refer to the code below:

What is the value of foobDienu1 after the code executes?

A. {'Garlic bread', Pizza' , Burger' , French fries'}
B. {'Pizza' , Burger' , French fries ' , garlic bread; }
C. {'Garlic bread'}
D. {'Pizza' , Burger' , French fries '}

Answer: B

NEW QUESTION # 142
A developer creates a generic function to log custom messages in the console. To do this, the function below is implemented.
01 function logStatus(status){
02 console./*Answer goes here*/{'Item status is: %s', status};
03 }
Which three console logging methods allow the use of string substitution in line 02?

A. Log
B. Message
C. Assert
D. Info
E. Error

Answer: A,C,D

NEW QUESTION # 143

Which code change should be done for the console to log the following when 'Click me!' is clicked'
> Row log
> Table log

A. Change line 14 to elem.addEventListener ('click', printMessage, true);
B. Remove lines 13 and 14
C. Remove line 10
D. Change line 10 to event.stopPropagation (false) ;

Answer: C

NEW QUESTION # 144
Refer to the following code:
<html lang="en">
<body>
<div onclick = "console.log('Outer message') ;">
<button id ="myButton">CLick me<button>
</div>
</body>
<script>
function displayMessage(ev) {
ev.stopPropagation();
console.log('Inner message.');
}
const elem = document.getElementById('myButton');
elem.addEventListener('click' , displayMessage);
</script>
</html>
What will the console show when the button is clicked?

A. Outer message
Inner message
B. Outer message
C. Inner message
Outer message
D. Inner message

Answer: D

NEW QUESTION # 145
......

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