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Function Declaration: A function declaration defines a function with the specified parameters. The function declarations are processed before the code block is executed. They are visible everywhere in the block. function sayHi () { ...some code h...
What are functions? The function is a piece of code that will help if we are writing the same code repeatedly. function iAmFunction() { ...some logic here } We will call the above function like this as shown below iAmFunction(); What are pure an...
Hello everyone, my name is Yaswanth Myneni. I graduated with a degree B.Tech CSE from the Hindustan Institute of Technology and Science in the year 2021. I currently living in Tirupati, Andhra Pradesh. I joined engineering in July 2017. The first se...
let: The let statement declares a block-scoped, local variable. syntax: let x ; let x = 2 ; Description: In the usage of let, we can divide the let concepts into three categories, they are Scoping rules. Re-declaration. Temporal dead zone. Scopin...