get variable name javascript

1const myFirstName = 'John'
2Object.keys({myFirstName})[0]
3
4// returns "myFirstName"

1	//variables can include any letter, any number, or the underscore
2	//NO SPACES!!! USE UNDERSCORES!!!
3	//variable names are case sensitive
4	//example:
5var change_this = 'whatever you want here'
6	//change_this is a variable (change it to your variable name)
7	//'whatever you want here' is a string (you'll learn about this later)
8