### JavaScript is a dynamic-type language:

We can assign any type of value to a variable. We can also change the type of a variable at any time and any position in the code. Let’s say we have assigned a string value to a variable, and then we want to change the type of that variable to a number.

let totalPrice = "thousand";
totalPrice = 1000;
console.log(totalPrice);


### Summary:

-   The `number` datatype is for all kinds of numbers like integer or floating-point numbers.
-   The `boolean` variables can only have `true` or `false` as their values.
-   The `typeof` operator allows us to see the type of value stored in a variable.
-   JavaScript is a dynamic-type language, so we can change the type of data in it.

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The syntax of the JavaScript programming language is the set of rules that defines how a JavaScript program will be written and interpreted (by both the runtime system and by human readers).

JavaScript is dynamically typed (also called loosely typed) scripting language. That is, in javascript variables can receive different data types over time. Datatypes are basically typed of data that can be used and manipulated in a program.

JavaScript and Type Conversion

JavaScript is a dynamic-type language:

解答

Summary: