ReactJs Interview | 🎉 Selected | ReactJs & JavaScript | Experienced

#reactJs #interview

JS Questions asked in this interview are: 1). What is hoisting in JS? 2). How it works? 3). Does hoisting work with all the variables, and Why? 4). Diff. b/w "let" and "var"? 5). What is Event Loop? 6). What is the precedence in Event Loop? ( between Promise() and setTimeout() ) 7). What is the Diff. b/ "setTimeout()" & "setInterval()"? 8). What are the ES6 features you have used? 9). Where do you mostly use Rest Operator?

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