I don't exactly know WHY, but I can guess..
I think it's because, if you're writing, you can know where the source is from if you print the WHOLE SCREEN, or just to remember what the electronic source says.
Answer:
You copy and paste it
Explanation:
right click on the mouse then it will say copy, you right click on the mouse and click paste voila! it works! (If you're using word there are 3 options for pasting, Keep source formatting, Merge formatting and keep text only)
Plain text, HTML, and rich text.
Answer:
The answer is function
Explanation:
As a function, it accepts two parameters: the value and the key being stringified. It can be used to change the value of the entries or eliminate them. As an array, it specifies by name which entries and names of the properties in the object to include in the resulting JSON string.