Which code statement below correctly persists an objects in local Storage ?

• A.const setLocalStorage = (storageKey, jsObject) => {
  window.localStorage.setItem(storageKey, JSON.stringify(jsObject));
  }
• B.const setLocalStorage = ( jsObject) => {
  window.localStorage.connectObject(jsObject));
  }
• C.const setLocalStorage = ( jsObject) => {
  window.localStorage.setItem(jsObject);
  }
• D.const setLocalStorage = (storageKey, jsObject) => {
  window.localStorage.persist(storageKey, jsObject);
  }

Correct Answer: A

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Refer to the code below:
01 let car1 = new promise((_, reject) =>
02 setTimeout(reject, 2000, "Car 1 crashed in"));
03 let car2 = new Promise(resolve => setTimeout(resolve, 1500, "Car 2
completed"));
04 let car3 = new Promise(resolve => setTimeout (resolve, 3000, "Car 3
Completed"));
05 Promise.race([car1, car2, car3])
06 .then(value => (
07 let result = $(value) the race. `;
08 ))
09 .catch( arr => (
10 console.log("Race is cancelled.", err);
11 ));
What is the value of result when Promise.race executes?

• A.Car 3 completed the race.
• B.Race is cancelled.
• C.Car 1 crashed in the race.
• D.Car 2 completed the race.

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A developer creates a simple webpage with an input field. When a user enters text in the input field and clicks the button, the actual value of the field must be displayed in the console.
Here is the HTML file content:
<input type =" text" value="Hello" name ="input">
<button type ="button" >Display </button>
The developer wrote the javascript code below:
Const button = document.querySelector('button');
button.addEvenListener('click', () => (
Const input = document.querySelector('input');
console.log(input.getAttribute('value'));
When the user clicks the button, the output is always "Hello".
What needs to be done make this code work as expected?

• A.Replace line 03 with const input = document.getElementByName('input');
• B.Replace line 02 with button.addCallback("click", function() {
• C.Replace line 02 with button.addEventListener("onclick", function() {
• D.Replace line 04 with console.log(input .value);

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Which three statements are true about promises ?
Choose 3 answers

• A.A pending promise can become fulfilled, settled, or rejected.
• B.A Promise has a .then() method.
• C.A settled promise can become resolved.
• D.A fulfilled or rejected promise will not change states .
• E.The executor of a new Promise runs automatically.

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What is the result of the code block?

• A.The console logs 'flag' and another flag.
• B.The console logs only 'flag'.
• C.The console logs 'flag' and then an error is thrown.
• D.An error is thrown.

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