JavaScript Interview Questions (Part 4)

JavaScript Interview Questions (Part 4)

Thi?u Quang Khoa Thi?u Quang Khoa

Thi?u Quang Khoa

?Performance Tuning at Wecommit Vi?t Name | Oracle Database | Software Engineering Major at FPT University | 7.0 IETLS?

发布日期: 2024年10月5日
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61 What are the main rules of promise

62 What is callback in callback

63 What is promise chaining

64 What is promise.all

65 What is the purpose of the race method in promise

66 What is a strict mode in javascript

67 Why do you need strict mode

68 How do you declare strict mode

69 What is the purpose of double exclamation

70 What is the purpose of the delete operator

71 What is typeof operator

72 What is undefined property

73 What is null value

74 What is the difference between null and undefined

75 What is eval

76 What is the difference between window and document

77 How do you access history in javascript

78 How do you detect caps lock key turned on or not

79 What is isNaN

80 What are the differences between undeclared and undefined variables


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