Which keyword is used to declare a variable that cannot be reassigned?, var, let, const, static, What is the output of the following code? console.log(typeof "Hello");, text, Object, String, string, Which symbol is used for strict equality in JavaScript?, =, ==, ===, !=, What is the correct way to write a function?, function myFunction() {}, create myFunction() {}, def myFunction() {}, func myFunction() {}, What is the result of this expression? 2 + "2", 4, "22", undefined, NaN, Which method adds a new element to the end of an array?, push(), pop(), shift(), add(), What does the pop() method do?, Adds an element to the beginning of an array, Removes the last element of an array, Removes the first element of an array, Sorts an array, Which loop is commonly used to iterate over the values of an array?, for...in, for...of, repeat...until, loop...each, What is the output?let x = 10;if (x > 5) { console.log("Yes");} else { console.log("No");}, No, Yes, true, An error, Which operator means “OR” in JavaScript?, &&, ||, !, ??, What is the purpose of JSON.parse()?, Converts a JavaScript object into a JSON string, Converts a JSON string into a JavaScript object, Deletes JSON data, Creates an array, Which method converts a JavaScript object into a JSON string?, JSON.convert(), JSON.parse(), JSON.stringify(), JSON.object(), What is the output? console.log([1, 2, 3].length);, 2, 3, 4, undefined, Which keyword is used to handle errors?, try...catch, check...error, error...handle, test...catch, What does document.getElementById() do?, Creates a new HTML element, Selects an HTML element by its ID, Deletes an HTML element, Changes the page title
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JavaScript
Baham ko'rish
Baham ko'rish
tomonidan
Narmatovaaigeri
Tarkibini tahrirlash
Saqlash
Yoqadi
Chop etish
qo'shib qo'yish
Ko'proq
Tayinlashlar
Ilg'orlar ro'yxati
Ko'proq ko'rsatish
Kamroq koʻrsatish
Ushbu etakchilar jadvali hozirda xususiy. Uni ommaga etkazish uchun
Ulashish-ni
bosing.
Liderlar ro'yxati resurs egasi tomonidan o'chirib qo'yildi.
Ushbu etakchilar ro'yxati o'chirib qo'yilgan, chunki sizning variantlaringiz resurs egasidan farq qiladi.
Qaytish moslamalari
Viktorina
ochiq-oydin shablon. Etakchilar ro'yxati uchun ballar yaratmaydi.
Tizimga kirish talab qilinadi
Vizual uslub
Shriftlar
Obuna talab etiladi
Moslamalar
Namunani almashtirish
Hammasini koʻrsatish
Ochiq natijalar
Bogʻdan nusxa olish
Tez javob kodi
& Olib tashlash
Tahrirlashni davom ettirish:
?