JSON Syntax
JSON requires double-quoted property names and string values. It does not allow comments or trailing commas.
Where to run this
This example uses the JavaScript console playground. Select Run to execute it; the example does not run on this lesson page.
A practical example
const valid = '{"title":"Repair club","open":true}';
console.log(JSON.parse(valid).open);
What happens
The valid text parses to an object with open set to true.