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JavaScript Easy technical

Q71. What is the data type of variables in JavaScript?

In JavaScript, **variables themselves do not have fixed types; values have types**. JavaScript is a dynamically and weakly typed language, meaning a variable declared wit...

2 Answer

JavaScript Medium technical

Q72. What are the different ways to delete a variable in JavaScript?

We can delete a variable and remove it from memory in the following ways: 1. Using the `delete` keyword: ``` let x = 10; console.log(x); // Output: 10 delete x; console.l...

1 Answer