Pass the Salesforce Developer JavaScript-Developer-I Questions and answers with ExamsMirror

Refer to the code below:

Const searchTest = ‘Yay! Salesforce is amazing!” ;

Let result1 = searchText.search(/sales/i);

Let result 21 = searchText.search(/sales/i);

console.log(result1);

console.log(result2);

After running this code, which result is displayed on the console?

What are two unique features of functions defined with a fat arrow as compared to normal function definition?

Choose 2 answers

A developer initiates a server with the file server,js and adds dependencies in the source codes package,json that are required to run the server.

Which command should the developer run to start the server locally?

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 developer at Universal Containers is creating their new landing page based on HTML, CSS, and JavaScript.

To ensure that visitors have a good experience, a script named personalizeWebsiteContent needs to be executed when the webpage is fully loaded (HTML content and all related files), in order to do some custom initializations.

Which implementation should be used to call Fe:s:-a;::eHec5;te::.-.ter.: based on the business requirement above?

Refer to HTML below:

Which expression outputs the screen width of the element with the ID card-01?

Refer to the code below:

Async funct on functionUnderTest(isOK) {

If (isOK) return ‘OK’;

Throw new Error(‘not OK’);

)

Which assertion accurately tests the above code?

Refer to the code below:

Const myFunction = arr => {

Return arr.reduce((result, current) =>{

Return result = current;

}, 10};

}

What is the output of this function when called with an empty array ?

Which option is a core Node,js module?

Which statement accurately describes the behaviour of the async/ await keyworks ?