JSON Data Types: null, Booleans, Numbers, Strings
JSON data types explained: null, true, false, numbers, and strings. Covers type coercion risks, null handling, and language-specific parsing differences.
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Tags: json, developer-tools, beginner
JSON Data Types: null, true/false, Numbers, and Strings Explained JSON supports exactly six value types. You can build any data structure you like from combinations of these six. But each type has its own rules, and several of them have gotchas that catch beginners off guard. This guide walks through each type with examples of valid and invalid usage, and explains what actually happens when you get the type wrong. --- Strings A string is any sequence of characters wrapped in double quotes. The most important rule: double quotes only. Not single quotes, not backticks. Characters inside the string can be letters, numbers, spaces, punctuation — almost anything. Special characters like , , and newlines need to be escaped with a backslash. We cover those in detail in the JSON special…
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