Do you want to print a 2D array in JavaScript but don't know where to start? Look no further! Printing a 2D array from an object can be made easy using JSON. Here's a step-by-step guide to help you out.
Step 1: Create a 2D array
First, let's create a sample 2D array in JavaScript. For example:
```
let twoDArray = [
[1, 2, 3],
[4, 5, 6],
[7, 8, 9]
];
```
Step 2: Convert array to JSON
Next, we can convert the 2D array to a JSON string using JSON.stringify() method.
```
let jsonStr = JSON.stringify(twoDArray);
```
Step 3: Print the JSON string
Finally, you can simply print the JSON string to see the 2D array representation.
```
console.log(jsonStr);
```
By following these simple steps, you can now easily print a 2D array from an object using JSON. Give it a try and see the magic happen!