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NEW QUESTION # 141
Considering type coercion, What does the following expression evaluate to?
True + '13 ' + NaN
Answer: B
NEW QUESTION # 142
Refer to the code below:
let productSKU = '8675309,;
A developer has a requirement to generate SKU numbers that are always 10 characters log, starting with 'sku', and padded with zeros.
Which statement assigned the value skuooooooooo86675309?
Answer: A
NEW QUESTION # 143
developer creates a new web server that uses Node.js. It imports a server library that uses events and callbacks for handling server functionality.
The server library is imported with require and is made available to the code by a variable named server. The developer wants to log any issues that the server has while booting up.
Given the code and the information the developer has, which code logs an error at boost with an event?
Answer: D
NEW QUESTION # 144
Refer to the following object.
How can a developer access the fullName property for dog?
Answer: D
NEW QUESTION # 145
Refer to the code below:
let car1 = new Promise((_ ,reject)=> setTimeout(reject,2000,"Car1 crashed in")); let car2 = new Promise(resolve => setTimeout(resolve,1500,"Car2 completed")); let car3 = new Promise(resolve => setTimeout(resolve,3000,"Car3 completed")); Promise.race([car1,car2,car3])
.then(value=>{
let result = `${value} the race.`;
}).catch(err=>{
console.log('Race is cancelled.',err);
});
What is the value of result when promise.race execues?
Answer:
Explanation:
Car2 completed the race.
NEW QUESTION # 146
......
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