What is the difference between “let” and “var”?
In JavaScript, let and var are both used to declare variables, but they have some important differences in terms of scope and behavior. The var keyword was used to declare…
What is the !! (not not) operator in JavaScript?
What is the !! (not not) operator in JavaScript? In JavaScript, the !! (not not) operator is a way to force a value to become a boolean. It can be…
Why let and var bindings behave differently using setTimeout function?
Why let and var bindings behave differently using setTimeout function? In JavaScript, setTimeout is a function that runs a callback function after a specified amount of time has passed. However,…
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