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1. Q43 : JavaScript Questions Series #coding #webdevelopment #codingsimplifiedspace #javascripttutorial
Answer: C // All object keys (excluding Symbols) are strings under the hood, even if you don't type it yourself as a string. This is ...
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3. Q45 : JavaScript Questions Series #coding #webdevelopment #codingsimplifiedspace #javascripttutorial
Answer: C // The continue statement skips an iteration if a certain condition returns true.
4. #2 : JavaScript Questions Series. #coding #javascript #webdevelopment #codingsimplifiedspace
Explanation: In this
5. Q39 : JavaScript Questions Series #coding #webdevelopment #codingsimplifiedspace #javascripttutorial
Answer: C // When testing equality, primitives are compared by their value, while objects are compared by their reference.
6. #16 : JavaScript Questions Series #coding #webdevelopment #codingsimplifiedspace #javascripttutorial
Explanation: spread operator (...) expands an iterable ( an array) into more elements. // This allows us to quickly copy all or ...
7. Q41 : JavaScript Questions Series #coding #webdevelopment #codingsimplifiedspace #javascripttutorial
Answer: A // eval evaluates
8. Q48 : JavaScript Questions Series #coding #webdevelopment #codingsimplifiedspace #javascripttutorial
Answer: D // With both, we can pass the object to which we want the this keyword to refer to. However, .call is also executed ...
9. Q44 : JavaScript Questions Series #coding #webdevelopment #codingsimplifiedspace #javascripttutorial
Answer: C // If you have two keys with the same name, the key will be replaced. It will still be in its first position, but with the last ...
10. Q50 : JavaScript Questions Series #coding #webdevelopment #codingsimplifiedspace #javascripttutorial
Answer: B // typeof 1 returns "number". typeof "number" returns "string"
11. #34 : JavaScript Questions Series #coding #webdevelopment #codingsimplifiedspace #javascripttutorial
Because of the event queue in
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Here u will get
13. Q49 : JavaScript Questions Series #coding #webdevelopment #codingsimplifiedspace #javascripttutorial
Answer: A // There are 8 falsy values: // undefined // null // NaN // false // '' (empty string) // 0 // -0 // 0n (BigInt(0)) // Function ...
14. Q46 : JavaScript Questions Series #coding #webdevelopment #codingsimplifiedspace #javascripttutorial
Answer: A // String is a built-in constructor, that we can add properties to. I just added a method to its prototype. Primitive strings ...
15. #21 : JavaScript Questions Series #coding #webdevelopment #codingsimplifiedspace #javascripttutorial
Output - [1, 2, 4, 3] // Explanation: a is initialized as an array with values [1, 2, 3]. The push method is called on a, with the ...
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