Question 6

Refer to the code below:
01 const exec = (item, delay) =>{
02 new Promise(resolve => setTimeout( () => resolve(item), delay)),
03 async function runParallel() {
04 Const (result1, result2, result3) = await Promise.all{
05 [exec ('x', '100') , exec('y', 500), exec('z', '100')]
06 );
07 return `parallel is done: $(result1) $(result2)$(result3)`;
08 }
}
}
Which two statements correctly execute the runParallel () function?
Choose 2 answers
  • Question 7

    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?
  • Question 8

    Which three browser specific APIs are available for developers to persist data between page loads ?
    Choose 3 answers
  • Question 9

    Refer to the code below:
    Let str = 'javascript';
    Str[0] = 'J';
    Str[4] = 'S';
    After changing the string index values, the value of str is 'javascript'. What is the reason for this value:
  • Question 10

    Which three options show valid methods for creating a fat arrow function?
    Choose 3 answers