73. What's the output?
async function getData() {
return await Promise.resolve('I made it!');
}
const data = getData();
console.log(data);73. What's the output?
Javob variantlari:
Javob variantlari:
Anonymous Quiz
0%
A: "I made it!"
0%
B: Promise {<resolved>: "I made it!"}
100%
C: Promise {<pending>}
0%
D: undefined
74. What's the output?
function addToList(item, list) {
return list.push(item);
}
const result = addToList('apple', ['banana']);
console.log(result);74. What's the output?
Javob variantlari;
Javob variantlari;
Anonymous Quiz
0%
A: ['apple', 'banana']
50%
B: 2
0%
C: true
50%
D: undefined
75. What's the output?
const box = { x: 10, y: 20 };
Object.freeze(box);
const shape = box;
shape.x = 100;
console.log(shape);75. What's the output?
Javob variantlari:
Javob variantlari:
Anonymous Quiz
0%
A: { x: 100, y: 20 }
100%
B: { x: 10, y: 20 }
0%
C: { x: 100 }
0%
D: ReferenceError
76. What's the output?
const { firstName: myName } = { firstName: 'Lydia' };
console.log(firstName);76. What's the output?
Javob variantlari:
Javob variantlari:
Anonymous Quiz
0%
A: "Lydia"
0%
B: "myName"
0%
C: undefined
100%
D: ReferenceError
78. What is the output?
const add = () => {
const cache = {};
return num => {
if (num in cache) {
return `From cache! ${cache[num]}`;
} else {
const result = num + 10;
cache[num] = result;
return `Calculated! ${result}`;
}
};
};
const addFunction = add();
console.log(addFunction(10));
console.log(addFunction(10));
console.log(addFunction(5 * 2));78. What is the output?
Javob variantlari:
Javob variantlari:
Anonymous Quiz
0%
A: Calculated! 20 Calculated! 20 Calculated! 20
0%
B: Calculated! 20 From cache! 20 Calculated! 20
100%
C: Calculated! 20 From cache! 20 From cache! 20
0%
D: Calculated! 20 From cache! 20 Error
79. What is the output?
const myLifeSummedUp = ['☕️', '💻', '🍷', '🍫'];
for (let item in myLifeSummedUp) {
console.log(item);
}
for (let item of myLifeSummedUp) {
console.log(item);
}
79. What is the output?
Javob variantlari:
Javob variantlari:
Anonymous Quiz
50%
A: 0 1 2 3 and "☕️" "💻" "🍷" "🍫"
50%
B: "☕️" "💻" "🍷" "🍫" and "☕️" "💻" "🍷" "🍫"
0%
C: "☕️" "💻" "🍷" "🍫" and 0 1 2 3
0%
D: 0 1 2 3 and {0: "☕️", 1: "💻", 2: "🍷", 3: "🍫"}
80. What is the output?
const list = [1 + 2, 1 * 2, 1 / 2];
console.log(list);
80. What is the output?
Javob variantlari:
Javob variantlari:
Anonymous Quiz
67%
A: ["1 + 2", "1 * 2", "1 / 2"]
0%
B: ["12", 2, 0.5]
33%
C: [3, 2, 0.5]
0%
D: [1, 1, 1]
81. What is the output?
function sayHi(name) {
return `Hi there, ${name}`;
}
console.log(sayHi());81. What is the output?
Javob variantlari:
Javob variantlari:
Anonymous Quiz
0%
A: Hi there,
100%
B: Hi there, undefined
0%
C: Hi there, null
0%
D: ReferenceError
82. What is the output?
var status = '😎';
setTimeout(() => {
const status = '😍';
const data = {
status: '🥑',
getStatus() {
return this.status;
},
};
console.log(data.getStatus());
console.log(data.getStatus.call(this));
}, 0);
82. What is the output?
Javob variantlari:
Javob variantlari:
Anonymous Quiz
50%
A: "🥑" and "😍"
50%
B: "🥑" and "😎"
0%
C: "😍" and "😎"
0%
D: "😎" and "😎"