let page2stream = "The quick brown fox jumps";
Which three expressions return true for a substring?

• A.sampleText.indexOf('quick' > -4);
• B.sampleText.indexOf(fox);
• C.sampleText.include('fox') !== -1;
• D.sampleText.includes('fox');
• E.sampleText.indexOf('Quick') !== -1;

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A developer creates a genericfunction 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.Info
• B.Log
• C.Assert
• D.Message
• E.Error

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Value of true + 3 + '100' + null:

• A."4100null"
• B."4100"
• C.104
• D."2200null"

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developer publishes a new version of a package with new features that do not break backward compatibility. The previous version number was 1.1.3.
Following semantic versioning format, what should the new package version number be?

• A.1.2.3
• B.1.1.4
• C.1.2.0
• D.2.0.0

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A developer has the following array of student test grades:
Let arr = [ 7, 8, 5, 8, 9 ];
The Teacher wants to double each score and then see an array of the students who scored more than 15 points.
How should thedeveloper implement the request?

• A.Let arr1 = arr.map((num) => num*2). Filter (( val) => val > 15);
• B.Let arr1 = arr.filter(( val) => ( return val > 15 )) .map (( num) => ( return num *2 ))
• C.Let arr1 = arr.map((num) => ( num *2)).filterBy((val) => ( val >15 ));
• D.Let arr1 = arr.mapBy (( num) => ( return num *2 )) .filterBy (( val ) => return val > 15 )) ;

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