JavaScript Test 4

What will be the result of "5" - 2 in JavaScript?

What is the result of let x = 10; let result = (x > 5) ? "Big" : "Small";?

Which loop is used to iterate over object properties?

What will be the result of:

let arr = [1, 2, 3];
console.log(arr.includes(2));

What is special about this in arrow functions?

What does Object.freeze(obj) do?

What does the following code output in a browser?

setTimeout(function() {
  console.log(this);
}, 1000);

Which method removes a child node from the DOM?

What does the following produce?

let arr1 = [1, 2];
let arr2 = [...arr1, 3, 4];

How do you properly catch errors in async/await?

What is the result of "5" + 2 in JavaScript?

What is the result of 17 % 5 in JavaScript?

What does the break statement do inside a loop?

What will be the result of:

let arr = ["a", "b", "c"];
console.log(arr.indexOf("b"));

Which syntax correctly represents an IIFE?

What will this code output?

let user = { name: "Alice", age: 22 };
let { name } = user;
console.log(name);

How many phases does the JavaScript execution context have?

How do you add a click event listener to a button with ID btn?

What is the shorthand syntax for { name: name, age: age }?

What does Promise.all([p1, p2, p3]) do?