JSON (JavaScript Object Notation) is a format for storing and exchanging data that is often used in web applications.
It is a lightweight, text-based format that is easy for humans to read and write, and easy for machines to parse and generate.
You may need to escape certain characters in a JSON string when they have a special meaning in the JSON syntax. For example, certain characters such as curly braces, square brackets, and colons have a specific meaning in JSON and cannot be used as is in a string. To use these characters in a string, they must be escaped with a backslash () character.
Additionally, if you want to include a literal backslash in a JSON string, it must be escaped with another backslash (\) to indicate that it should be treated as a literal character and not as an escape character.
As a general rule, you should escape any characters that are not valid JSON syntax, such as new lines, tabs, and control characters. This will ensure that your JSON string can be correctly parsed and understood by the software that is reading it.