JavaScript-Developer-I Exam Question 41
Considering type coercion, what does the following expression evaluate to?
True + '13' + NaN
True + '13' + NaN
JavaScript-Developer-I Exam Question 42
A developer is setting up a Node,js server and is creating a script at the root of the source code, index,js, that will start the server when executed. The developer declares a variable that needs the folder location that the code executes from.
Which global variable can be used in the script?
Which global variable can be used in the script?
JavaScript-Developer-I Exam Question 43
What are two unique features of functions defined with a fat arrow as compared to normal function definition?
Choose 2 answers
Choose 2 answers
JavaScript-Developer-I Exam Question 44
Refer to the code below:
function foo () {
const a =2;
function bat() {
console.log(a);
}
return bar;
}
Why does the function bar have access to variable a ?
function foo () {
const a =2;
function bat() {
console.log(a);
}
return bar;
}
Why does the function bar have access to variable a ?
JavaScript-Developer-I Exam Question 45
Refer to the code below:
let sayHello = () => {
console.log ('Hello, world!');
};
Which code executes sayHello once, two minutes from now?
let sayHello = () => {
console.log ('Hello, world!');
};
Which code executes sayHello once, two minutes from now?
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